[INFO] fetching crate groestlcoin 0.23.0...
[INFO] checking groestlcoin-0.23.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate groestlcoin 0.23.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate groestlcoin 0.23.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate groestlcoin 0.23.0
[INFO] finished tweaking crates.io crate groestlcoin 0.23.0
[INFO] tweaked toml for crates.io crate groestlcoin 0.23.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71bb15de703ffe8331821269b85e6028f248e61a05d8cb070293f95991408071
[INFO] running `Command { std: "docker" "start" "-a" "71bb15de703ffe8331821269b85e6028f248e61a05d8cb070293f95991408071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71bb15de703ffe8331821269b85e6028f248e61a05d8cb070293f95991408071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bb15de703ffe8331821269b85e6028f248e61a05d8cb070293f95991408071", kill_on_drop: false }`
[INFO] [stdout] 71bb15de703ffe8331821269b85e6028f248e61a05d8cb070293f95991408071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b11938b841ecadc2d3e62fc99a964a7dd5a88ca563c5272455a1b282a081395
[INFO] running `Command { std: "docker" "start" "-a" "5b11938b841ecadc2d3e62fc99a964a7dd5a88ca563c5272455a1b282a081395", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking serde_test v1.0.129
[INFO] [stderr]     Checking groestl v0.8.0
[INFO] [stderr]     Checking groestlcoin_hashes v0.7.4
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking groestlcoin v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/mod.rs:50:103
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Error::SocketMutexPoisoned | Error::SocketNotConnectedToPeer => f.write_str(error::Error::description(self)),
[INFO] [stdout]    |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/blockdata/script.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 |         f.write_str(error::Error::description(self))
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:80:93
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Error::BlockBadProofOfWork | Error::BlockBadTarget => f.write_str(error::Error::description(self)),
[INFO] [stdout]    |                                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/util/amount.rs:105:41
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let desc = ::std::error::Error::description(self);
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/util/bip32.rs:396:50
[INFO] [stdout]     |
[INFO] [stdout] 396 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:56:78
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Error::InvalidKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:57:80
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::DuplicateKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:58:133
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...a } => write!(f, "{}: expected {}, actual {}", error::Error::description(self), e.txid(), a.txid()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:59:89
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Error::NonStandardSigHashType(ref sht) => write!(f, "{}: {}", error::Error::description(self), sht),
[INFO] [stdout]    |                                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:65:63
[INFO] [stdout]    |
[INFO] [stdout] 65 |             | Error::NoMorePairs => f.write_str(error::Error::description(self))
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/mod.rs:65:35
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:96:39
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Error::Encode(ref e) => e.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:97:40
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Error::Network(ref e) => e.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/mod.rs:50:103
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Error::SocketMutexPoisoned | Error::SocketNotConnectedToPeer => f.write_str(error::Error::description(self)),
[INFO] [stdout]    |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/blockdata/script.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 |         f.write_str(error::Error::description(self))
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:80:93
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Error::BlockBadProofOfWork | Error::BlockBadTarget => f.write_str(error::Error::description(self)),
[INFO] [stdout]    |                                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/util/amount.rs:105:41
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let desc = ::std::error::Error::description(self);
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/util/bip32.rs:396:50
[INFO] [stdout]     |
[INFO] [stdout] 396 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:56:78
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Error::InvalidKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:57:80
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Error::DuplicateKey(ref rkey) => write!(f, "{}: {}", error::Error::description(self), rkey),
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:58:133
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...a } => write!(f, "{}: expected {}, actual {}", error::Error::description(self), e.txid(), a.txid()),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:59:89
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Error::NonStandardSigHashType(ref sht) => write!(f, "{}: {}", error::Error::description(self), sht),
[INFO] [stdout]    |                                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/psbt/error.rs:65:63
[INFO] [stdout]    |
[INFO] [stdout] 65 |             | Error::NoMorePairs => f.write_str(error::Error::description(self))
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/mod.rs:65:35
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:96:39
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Error::Encode(ref e) => e.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/util/mod.rs:97:40
[INFO] [stdout]    |
[INFO] [stdout] 97 |             Error::Network(ref e) => e.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/network/address.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 services: ServiceFlags::NETWORK.add(ServiceFlags::WITNESS),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/network/constants.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn add(&mut self, other: ServiceFlags) -> ServiceFlags {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/network/constants.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub const NETWORK: ServiceFlags = ServiceFlags(1 << 0);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consensus/encode.rs:844:25
[INFO] [stdout]     |
[INFO] [stdout] 844 |             x => panic!(x)
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[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 `Result<Vec<u8>, encode::Error>`
[INFO] [stdout]     |
[INFO] [stdout] 844 |             x => panic!("{:?}", x)
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 844 |             x => std::panic::panic_any(x)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consensus/encode.rs:848:25
[INFO] [stdout]     |
[INFO] [stdout] 848 |             x => panic!(x)
[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 `Result<Vec<u8>, encode::Error>`
[INFO] [stdout]     |
[INFO] [stdout] 848 |             x => panic!("{:?}", x)
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 848 |             x => std::panic::panic_any(x)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consensus/encode.rs:852:25
[INFO] [stdout]     |
[INFO] [stdout] 852 |             x => panic!(x)
[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 `Result<Vec<u8>, encode::Error>`
[INFO] [stdout]     |
[INFO] [stdout] 852 |             x => panic!("{:?}", x)
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 852 |             x => std::panic::panic_any(x)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consensus/encode.rs:856:25
[INFO] [stdout]     |
[INFO] [stdout] 856 |             x => panic!(x)
[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 `Result<Vec<u8>, encode::Error>`
[INFO] [stdout]     |
[INFO] [stdout] 856 |             x => panic!("{:?}", x)
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 856 |             x => std::panic::panic_any(x)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consensus/encode.rs:860:25
[INFO] [stdout]     |
[INFO] [stdout] 860 |             x => panic!(x)
[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 `Result<Vec<u8>, encode::Error>`
[INFO] [stdout]     |
[INFO] [stdout] 860 |             x => panic!("{:?}", x)
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 860 |             x => std::panic::panic_any(x)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/consensus/encode.rs:864:25
[INFO] [stdout]     |
[INFO] [stdout] 864 |             x => panic!(x)
[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 `Result<Vec<u8>, encode::Error>`
[INFO] [stdout]     |
[INFO] [stdout] 864 |             x => panic!("{:?}", x)
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 864 |             x => std::panic::panic_any(x)
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.33s
[INFO] running `Command { std: "docker" "inspect" "5b11938b841ecadc2d3e62fc99a964a7dd5a88ca563c5272455a1b282a081395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b11938b841ecadc2d3e62fc99a964a7dd5a88ca563c5272455a1b282a081395", kill_on_drop: false }`
[INFO] [stdout] 5b11938b841ecadc2d3e62fc99a964a7dd5a88ca563c5272455a1b282a081395