[INFO] fetching crate crack 0.1.0...
[INFO] testing crack-0.1.0 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] extracting crate crack 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate crack 0.1.0 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 127 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v0.6.1 (available: v1.3.3)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.9.0)
[INFO] [stderr]       Adding crdts v1.3.0 (available: v7.3.2)
[INFO] [stderr]       Adding crossbeam v0.2.12 (available: v0.8.4)
[INFO] [stderr]       Adding env_logger v0.4.3 (available: v0.11.5)
[INFO] [stderr]       Adding error-chain v0.9.0 (available: v0.12.4)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.22)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.0.3)
[INFO] [stderr]       Adding quickcheck v0.2.27 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.8.5)
[INFO] [stderr]       Adding serde v0.9.15 (available: v1.0.216)
[INFO] [stderr]       Adding serde_derive v0.9.15 (available: v1.0.216)
[INFO] [stderr]       Adding serde_json v0.9.10 (available: v1.0.133)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.37)
[INFO] [stderr]       Adding uuid v0.4.0 (available: v1.11.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ed25ab8e59c6c5f1b0ca81761367a0351acf1becc5bbeabd0af52e322782cd4
[INFO] running `Command { std: "docker" "start" "-a" "8ed25ab8e59c6c5f1b0ca81761367a0351acf1becc5bbeabd0af52e322782cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ed25ab8e59c6c5f1b0ca81761367a0351acf1becc5bbeabd0af52e322782cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed25ab8e59c6c5f1b0ca81761367a0351acf1becc5bbeabd0af52e322782cd4", kill_on_drop: false }`
[INFO] [stdout] 8ed25ab8e59c6c5f1b0ca81761367a0351acf1becc5bbeabd0af52e322782cd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0363d1310fd0528e4d199f44b0d89f8b1c0a3713e2ceb13f132e939eeb1c2cb3
[INFO] running `Command { std: "docker" "start" "-a" "0363d1310fd0528e4d199f44b0d89f8b1c0a3713e2ceb13f132e939eeb1c2cb3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling parking_lot_core v0.6.3
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[INFO] [stderr]    Compiling rustc-demangle v0.1.24
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[INFO] [stderr]    Compiling rustc-serialize v0.3.25
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[INFO] [stderr]    Compiling bytes v0.4.12
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[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling bincode v0.6.1
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling serde_derive v1.0.216
[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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: `#[warn(soft_unstable)]` 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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[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` and `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` and `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` and `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`, and `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` and `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` and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: trait `Transport` is never used
[INFO] [stdout]   --> src/transport.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait Transport<Addr, Rx, Tx>: Sized {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TCPTransport` is never constructed
[INFO] [stdout]   --> src/transport.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[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: methods `peers`, `ping`, and `purge` are never used
[INFO] [stdout]   --> src/kernel.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Kernel {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] 12 |     fn peers(&self) -> Vec<Peer>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[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 `Runs` is never constructed
[INFO] [stdout]  --> src/model.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Runs {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0363d1310fd0528e4d199f44b0d89f8b1c0a3713e2ceb13f132e939eeb1c2cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0363d1310fd0528e4d199f44b0d89f8b1c0a3713e2ceb13f132e939eeb1c2cb3", kill_on_drop: false }`
[INFO] [stdout] 0363d1310fd0528e4d199f44b0d89f8b1c0a3713e2ceb13f132e939eeb1c2cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c02a61bdca6fad42a05136df7e5d5968e5c379b2b80277117ebb52dabd19bdbb
[INFO] running `Command { std: "docker" "start" "-a" "c02a61bdca6fad42a05136df7e5d5968e5c379b2b80277117ebb52dabd19bdbb", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: `#[warn(soft_unstable)]` 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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[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` and `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` and `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` and `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`, and `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` and `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` and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: trait `Transport` is never used
[INFO] [stdout]   --> src/transport.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait Transport<Addr, Rx, Tx>: Sized {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TCPTransport` is never constructed
[INFO] [stdout]   --> src/transport.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[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: methods `peers`, `ping`, and `purge` are never used
[INFO] [stdout]   --> src/kernel.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Kernel {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] 12 |     fn peers(&self) -> Vec<Peer>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[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 `Runs` is never constructed
[INFO] [stdout]  --> src/model.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Runs {
[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] [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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/transport.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: `#[warn(soft_unstable)]` 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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/transport.rs:160:33
[INFO] [stdout]     |
[INFO] [stdout] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[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` and `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` and `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` and `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`, and `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` and `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` and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: trait `Transport` is never used
[INFO] [stdout]   --> src/transport.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait Transport<Addr, Rx, Tx>: Sized {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TCPTransport` is never constructed
[INFO] [stdout]   --> src/transport.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[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: methods `peers`, `ping`, and `purge` are never used
[INFO] [stdout]   --> src/kernel.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Kernel {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] 12 |     fn peers(&self) -> Vec<Peer>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 14 |     fn purge(&self, Peer);
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c02a61bdca6fad42a05136df7e5d5968e5c379b2b80277117ebb52dabd19bdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02a61bdca6fad42a05136df7e5d5968e5c379b2b80277117ebb52dabd19bdbb", kill_on_drop: false }`
[INFO] [stdout] c02a61bdca6fad42a05136df7e5d5968e5c379b2b80277117ebb52dabd19bdbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8294d5452430e0e682dc9ddb8242a11d8ca9cf7c11c9e3b62f37465de29320fd
[INFO] running `Command { std: "docker" "start" "-a" "8294d5452430e0e682dc9ddb8242a11d8ca9cf7c11c9e3b62f37465de29320fd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stderr]    --> src/transport.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr]     = note: `#[warn(soft_unstable)]` 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 unstable library feature `rustc_encodable_decodable`: derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stderr]    --> src/transport.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 | #[derive(Debug, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[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` and `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` and `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` and `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`, and `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` and `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` and `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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: if this is a dyn-compatible trait, 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: trait `Transport` is never used
[INFO] [stderr]   --> src/transport.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | trait Transport<Addr, Rx, Tx>: Sized {
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TCPTransport` is never constructed
[INFO] [stderr]   --> src/transport.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct TCPTransport<Rx, Tx> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[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: methods `peers`, `ping`, and `purge` are never used
[INFO] [stderr]   --> src/kernel.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait Kernel {
[INFO] [stderr]    |           ------ methods in this trait
[INFO] [stderr] 12 |     fn peers(&self) -> Vec<Peer>;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 13 |     fn ping(&self, Peer) -> Result<(), ()>;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 14 |     fn purge(&self, Peer);
[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: struct `Runs` is never constructed
[INFO] [stderr]  --> src/model.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Runs {
[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 58 warnings (run `cargo fix --lib -p crack` to apply 28 suggestions)
[INFO] [stderr] warning: `crack` (lib test) generated 53 warnings (49 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crack-1da14480cfceb9e0)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test fsm::tests::it_works ... ignored
[INFO] [stdout] test model::tests::it_works ... ok
[INFO] [stdout] test kernel::tests::it_works ... ok
[INFO] [stdout] test crc16::test_crc16 ... ok
[INFO] [stderr] thread 'transport::tests::it_works' panicked at core/src/panicking.rs:223:5:
[INFO] [stderr] attempted to leave type `(core::net::socket_addr::SocketAddr, transport::Msg)` uninitialized, which is invalid
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x652d50d1440a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]    1:     0x652d50d1440a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x652d50d1440a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x652d50d1440a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x652d50d3c383 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]    5:     0x652d50d3c383 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]    6:     0x652d50d111b3 - std::io::Write::write_fmt::hc00bff0a88e08857
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stderr]    7:     0x652d50d14252 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    8:     0x652d50d1588d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stderr]    9:     0x652d50d156d3 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:295:9
[INFO] [stderr]   10:     0x652d50bf3fc7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stderr]   11:     0x652d50bf3fc7 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stderr]   12:     0x652d50d15f38 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stderr]   13:     0x652d50d15f38 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stderr]   14:     0x652d50d15cc6 - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:667:13
[INFO] [stderr]   15:     0x652d50d148e9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]   16:     0x652d50d1598c - rust_begin_unwind
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stderr]   17:     0x652d50b8db4d - core::panicking::panic_nounwind_fmt::runtime::h16b1bdf492db9bcf
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:119:22
[INFO] [stderr]   18:     0x652d50b8db4d - core::panicking::panic_nounwind_fmt::h7c9e0c5a3391ac64
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/intrinsics/mod.rs:3535:9
[INFO] [stderr]   19:     0x652d50b8dbe2 - core::panicking::panic_nounwind::h6fa94367123ff7d0
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:223:5
[INFO] [stderr]   20:     0x652d50ba720f - core::mem::uninitialized::he7f9be948fccc2f9
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/mem/mod.rs:697:9
[INFO] [stderr]   21:     0x652d50ba720f - crossbeam::sync::ms_queue::MsQueue<T>::new::h5068977cb6e63f43
[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:     0x652d50bb8c1a - crack::transport::recv::h963fd145ab4a9176
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:95:25
[INFO] [stderr]   23:     0x652d50bba0ea - crack::transport::tests::it_works::h8be0486a119eef2f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:171:18
[INFO] [stderr]   24:     0x652d50bba007 - crack::transport::tests::it_works::{{closure}}::h51f8ee64422690b9
[INFO] [stderr]                                at /opt/rustwide/workdir/src/transport.rs:170:18
[INFO] [stderr]   25:     0x652d50b990b6 - core::ops::function::FnOnce::call_once::h905c6d2cd9104fc9
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   26:     0x652d50bf8aeb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   27:     0x652d50bf8aeb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stderr]   28:     0x652d50bf84d8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stderr]   29:     0x652d50bf84d8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   30:     0x652d50bf84d8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stderr]   31:     0x652d50bf84d8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stderr]   32:     0x652d50bf84d8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stderr]   33:     0x652d50bf84d8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stderr]   34:     0x652d50bf84d8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stderr]   35:     0x652d50bbbf7a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stderr]   36:     0x652d50bbbf7a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stderr]   37:     0x652d50bbf8f4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stderr]   38:     0x652d50bbf8f4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   39:     0x652d50bbf8f4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stderr]   40:     0x652d50bbf8f4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stderr]   41:     0x652d50bbf8f4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stderr]   42:     0x652d50bbf8f4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stderr]   43:     0x652d50bbf8f4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   44:     0x652d50d19edb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stderr]   45:     0x652d50d19edb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stderr]   46:     0x652d50d19edb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stderr]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]   47:     0x785c4a694ac3 - <unknown>
[INFO] [stderr]   48:     0x785c4a725a04 - 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-1da14480cfceb9e0` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8294d5452430e0e682dc9ddb8242a11d8ca9cf7c11c9e3b62f37465de29320fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8294d5452430e0e682dc9ddb8242a11d8ca9cf7c11c9e3b62f37465de29320fd", kill_on_drop: false }`
[INFO] [stdout] 8294d5452430e0e682dc9ddb8242a11d8ca9cf7c11c9e3b62f37465de29320fd
