[INFO] cloning repository https://github.com/forestblock/forest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forestblock/forest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforestblock%2Fforest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforestblock%2Fforest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb89b76871561ef6fd3cdcb1d2c0de3904a99f4f
[INFO] testing forestblock/forest against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforestblock%2Fforest" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/forestblock/forest on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/forestblock/forest
[INFO] finished tweaking git repo https://github.com/forestblock/forest
[INFO] tweaked toml for git repo https://github.com/forestblock/forest written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/forestblock/forest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e09005f10646fce8d93c2bf26683c5716a72d7eabc229d93726f6d580db28b
[INFO] running `Command { std: "docker" "start" "-a" "f7e09005f10646fce8d93c2bf26683c5716a72d7eabc229d93726f6d580db28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e09005f10646fce8d93c2bf26683c5716a72d7eabc229d93726f6d580db28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e09005f10646fce8d93c2bf26683c5716a72d7eabc229d93726f6d580db28b", kill_on_drop: false }`
[INFO] [stdout] f7e09005f10646fce8d93c2bf26683c5716a72d7eabc229d93726f6d580db28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b78d663013b5ac063a2f4d86889e978a63fc8f7f20c28d0ea410e9db591ef3
[INFO] running `Command { std: "docker" "start" "-a" "f8b78d663013b5ac063a2f4d86889e978a63fc8f7f20c28d0ea410e9db591ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling sct v0.4.0
[INFO] [stderr]    Compiling webpki v0.18.1
[INFO] [stderr]    Compiling ct-logs v0.4.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling webpki-roots v0.15.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling zeroize_derive v0.8.0
[INFO] [stderr]    Compiling enum-map v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling ctrlc v3.1.1
[INFO] [stderr]    Compiling zeroize v0.8.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling enumset_derive v0.4.0
[INFO] [stderr]    Compiling lmdb-zero v0.4.4
[INFO] [stderr]    Compiling enumset v0.4.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling rustls v0.13.1
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling cursive v0.12.0
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-rustls v0.7.2
[INFO] [stderr]    Compiling grin_util v1.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling grin_keychain v1.1.0 (/opt/rustwide/workdir/keychain)
[INFO] [stderr]    Compiling hyper v0.12.27
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> keychain/src/extkey_bip32.rs:125:91
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.hmac_sha512 = HmacSha512::new_varkey(seed).expect("HMAC can take key of any size");;
[INFO] [stdout]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/extkey_bip32.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let key = r#try!(ExtendedPrivKey::new_master(secp, &mut hasher, &seed));
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> keychain/src/mnemonic.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout]    |                                         ^^                                                                               ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout] 28 +     pub static ref WORDS: Vec<String> = include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> keychain/src/mnemonic.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut indexes: Vec<u16> = r#try!(words.iter().map(|x| search(x)).collect());
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/mnemonic.rs:158:2
[INFO] [stdout]     |
[INFO] [stdout] 158 |     r#try!(to_entropy(mnemonic));
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/types.rs:219:3
[INFO] [stdout]     |
[INFO] [stdout] 219 |         r#try!(write!(f, "{}(", stringify!(Identifier)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/types.rs:220:3
[INFO] [stdout]     |
[INFO] [stdout] 220 |         r#try!(write!(f, "{}", self.to_hex()));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> keychain/src/extkey_bip32.rs:338:41
[INFO] [stdout]     |
[INFO] [stdout] 338 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper-rustls v0.14.0
[INFO] [stderr]    Compiling croaring-sys v0.3.9
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling built v0.3.0
[INFO] [stderr]    Compiling forest v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling croaring v0.3.9
[INFO] [stderr]    Compiling grin_core v1.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:78:9
[INFO] [stdout]     |
[INFO] [stdout] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:287:29
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let (height, timestamp) = ser_multiread!(reader, read_u64, read_i64);
[INFO] [stdout]     |                                   ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:78:9
[INFO] [stdout]     |
[INFO] [stdout] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:294:44
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let (output_mmr_size, kernel_mmr_size) = ser_multiread!(reader, read_u64, read_u64);
[INFO] [stdout]     |                                                  ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:332:3
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         ser_multiwrite!(
[INFO] [stdout] 333 | |             writer,
[INFO] [stdout] 334 | |             [write_u64, self.height],
[INFO] [stdout] 335 | |             [write_i64, self.timestamp.timestamp()],
[INFO] [stdout] ...   |
[INFO] [stdout] 343 | |             [write_u64, self.kernel_mmr_size]
[INFO] [stdout] 344 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> core/src/macros.rs:23:48
[INFO] [stdout]     |
[INFO] [stdout] 23  |         $thing.iter().map($mapfn).collect::<Vec<_>>();
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:733:21
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 secp.commit_sum(map_vec!(cb_outs, |x| x.commitment()), vec![over_commit])?;
[INFO] [stdout]     |                                 ------------------------------------- in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `map_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> core/src/core/committed.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout]     |                 ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout] 128 +     ) -> Result<(Commitment, Commitment), Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> core/src/macros.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: core/src/core/compact_block.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 |             ser_multiread!(reader, read_u64, read_u64, read_u64);
[INFO] [stdout]    |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/compact_block.rs:104:3
[INFO] [stdout]     |
[INFO] [stdout] 104 | /         ser_multiwrite!(
[INFO] [stdout] 105 | |             writer,
[INFO] [stdout] 106 | |             [write_u64, self.out_full.len() as u64],
[INFO] [stdout] 107 | |             [write_u64, self.kern_full.len() as u64],
[INFO] [stdout] 108 | |             [write_u64, self.kern_ids.len() as u64]
[INFO] [stdout] 109 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |     $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/transaction.rs:196:3
[INFO] [stdout]     |
[INFO] [stdout] 196 |         ser_multiwrite!(writer, [write_u64, self.fee], [write_u64, self.lock_height]);
[INFO] [stdout]     |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/transaction.rs:419:3
[INFO] [stdout]     |
[INFO] [stdout] 419 | /         ser_multiwrite!(
[INFO] [stdout] 420 | |             writer,
[INFO] [stdout] 421 | |             [write_u64, self.inputs.len() as u64],
[INFO] [stdout] 422 | |             [write_u64, self.outputs.len() as u64],
[INFO] [stdout] 423 | |             [write_u64, self.kernels.len() as u64]
[INFO] [stdout] 424 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:78:9
[INFO] [stdout]     |
[INFO] [stdout] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/transaction.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 |             ser_multiread!(reader, read_u64, read_u64, read_u64);
[INFO] [stdout]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_cuckaroo_ctx`
[INFO] [stdout]   --> core/src/global.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::pow::{self, new_cuckaroo_ctx, new_cuckatoo_ctx, EdgeType, PoWContext};
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> core/src/macros.rs:23:48
[INFO] [stdout]     |
[INFO] [stdout] 23  |         $thing.iter().map($mapfn).collect::<Vec<_>>();
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/pow/cuckatoo.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |             s.nonces = map_vec!(s.nonces, |n| val[*n as usize]);
[INFO] [stdout]     |                        ---------------------------------------- in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `map_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/pow/types.rs:271:3
[INFO] [stdout]     |
[INFO] [stdout] 271 | /         ser_multiwrite!(
[INFO] [stdout] 272 | |             writer,
[INFO] [stdout] 273 | |             [write_u64, self.total_difficulty.to_num()],
[INFO] [stdout] 274 | |             [write_u32, self.secondary_scaling]
[INFO] [stdout] 275 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/core/block.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn read(reader: &mut Reader) -> Result<HeaderEntry, ser::Error> {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn read(reader: &mut dyn Reader) -> Result<HeaderEntry, ser::Error> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/core/pmmr/backend.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn leaf_pos_iter(&self) -> Box<Iterator<Item = u64> + '_>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn leaf_pos_iter(&self) -> Box<dyn Iterator<Item = u64> + '_>;
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/core/pmmr/rewindable_pmmr.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn backend(&'a self) -> &Backend<T> {
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn backend(&'a self) -> &dyn Backend<T> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/core/transaction.rs:341:23
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn read(reader: &mut Reader) -> Result<TxKernelEntry, ser::Error> {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn read(reader: &mut dyn Reader) -> Result<TxKernelEntry, ser::Error> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grin_store v1.1.0 (/opt/rustwide/workdir/store)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> store/src/pmmr.rs:113:41
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stdout] 113 +     fn get_hash(&self, pos: u64) -> Option<Hash> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> store/src/pmmr.rs:122:41
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stdout] 122 +     fn get_data(&self, pos: u64) -> Option<T::E> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> store/src/pmmr.rs:135:33
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn leaf_pos_iter(&self) -> Box<Iterator<Item = u64> + '_> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn leaf_pos_iter(&self) -> Box<dyn Iterator<Item = u64> + '_> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> store/src/pmmr.rs:469:44
[INFO] [stdout]     |
[INFO] [stdout] 469 |             |possible_dir_entry| -> Result<u32, Box<std::error::Error>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 469 |             |possible_dir_entry| -> Result<u32, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grin_chain v1.1.0 (/opt/rustwide/workdir/chain)
[INFO] [stderr]    Compiling grin_pool v1.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chain/src/txhashset/txhashset.rs:920:53
[INFO] [stdout]     |
[INFO] [stdout] 920 |     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[INFO] [stdout]     |                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 920 -     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[INFO] [stdout] 920 +     fn apply_output(&mut self, out: &Output) -> Result<u64, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> chain/src/txhashset/txhashset.rs:1211:47
[INFO] [stdout]      |
[INFO] [stdout] 1211 |     pub fn validate_kernel_sums(&self) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout]      |                                                  ^                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1211 -     pub fn validate_kernel_sums(&self) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout] 1211 +     pub fn validate_kernel_sums(&self) -> Result<(Commitment, Commitment), Error> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> chain/src/txhashset/txhashset.rs:1234:14
[INFO] [stdout]      |
[INFO] [stdout] 1234 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout]      |                 ^                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1234 -     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout] 1234 +     ) -> Result<(Commitment, Commitment), Error> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> chain/src/chain.rs:648:47
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn kernel_data_write(&self, reader: &mut Read) -> Result<(), Error> {
[INFO] [stdout]     |                                                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<(), Error> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> chain/src/chain.rs:1393:53
[INFO] [stdout]      |
[INFO] [stdout] 1393 |                 let (utxo_sum, kernel_sum) = (sums, genesis as &Committed).verify_kernel_sums(
[INFO] [stdout]      |                                                                 ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1393 |                 let (utxo_sum, kernel_sum) = (sums, genesis as &dyn Committed).verify_kernel_sums(
[INFO] [stdout]      |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> chain/src/chain.rs:316:6
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     &self.orphans.add(orphan);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     let _ = &self.orphans.add(orphan);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> chain/src/store.rs:48:63
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let db = store::Store::new(db_root, None, Some(STORE_SUBPATH.clone()), None)?;
[INFO] [stdout]    |                                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> chain/src/txhashset/txhashset.rs:1438:48
[INFO] [stdout]      |
[INFO] [stdout] 1438 |         if let Ok(n) = clean_files_by_prefix(data_dir.clone(), &pattern, 60 * 60) {
[INFO] [stdout]      |                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grin_p2p v1.1.0 (/opt/rustwide/workdir/p2p)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:254:3
[INFO] [stdout]     |
[INFO] [stdout] 254 | /         ser_multiwrite!(
[INFO] [stdout] 255 | |             writer,
[INFO] [stdout] 256 | |             [write_u8, self.magic[0]],
[INFO] [stdout] 257 | |             [write_u8, self.magic[1]],
[INFO] [stdout] 258 | |             [write_u8, self.msg_type as u8],
[INFO] [stdout] 259 | |             [write_u64, self.msg_len]
[INFO] [stdout] 260 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (t, msg_len) = ser_multiread!(reader, read_u8, read_u64);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:371:3
[INFO] [stdout]     |
[INFO] [stdout] 371 | /         ser_multiwrite!(
[INFO] [stdout] 372 | |             writer,
[INFO] [stdout] 373 | |             [write_u32, self.capabilities.bits()],
[INFO] [stdout] 374 | |             [write_u64, self.nonce]
[INFO] [stdout] 375 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:388:24
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let (capab, nonce) = ser_multiread!(reader, read_u32, read_u64);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:521:3
[INFO] [stdout]     |
[INFO] [stdout] 521 |         ser_multiwrite!(writer, [write_u32, self.code], [write_bytes, &self.message]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:704:3
[INFO] [stdout]     |
[INFO] [stdout] 704 |         ser_multiwrite!(writer, [write_u64, self.height], [write_u64, self.bytes]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:712:25
[INFO] [stdout]     |
[INFO] [stdout] 712 |         let (height, bytes) = ser_multiread!(reader, read_u64, read_u64);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> p2p/src/store.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | /         ser_multiwrite!(
[INFO] [stdout] 65 | |             writer,
[INFO] [stdout] 66 | |             [write_u32, self.capabilities.bits()],
[INFO] [stdout] 67 | |             [write_bytes, &self.user_agent],
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |             [write_i64, self.last_connected]
[INFO] [stdout] 72 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> p2p/src/store.rs:82:22
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let (fl, lb, br) = ser_multiread!(reader, read_u8, read_i64, read_i32);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/types.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | /                 ser_multiwrite!(
[INFO] [stdout] 115 | |                     writer,
[INFO] [stdout] 116 | |                     [write_u8, 0],
[INFO] [stdout] 117 | |                     [write_fixed_bytes, &sav4.ip().octets().to_vec()],
[INFO] [stdout] 118 | |                     [write_u16, sav4.port()]
[INFO] [stdout] 119 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/peer.rs:557:43
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/peers.rs:669:43
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/serv.rs:298:44
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn kernel_data_write(&self, _reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn kernel_data_write(&self, _reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/types.rs:532:43
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error>;
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error>;
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grin_api v1.1.0 (/opt/rustwide/workdir/api)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/blocks_api.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout] 70  |         let el = right_path_element!(req);
[INFO] [stdout]     |                  ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/blocks_api.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let el = right_path_element!(req);
[INFO] [stdout]     |                  ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/chain_api.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         match right_path_element!(req) {
[INFO] [stdout]     |               ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/peers_api.rs:59:17
[INFO] [stdout]     |
[INFO] [stdout] 59  |         let command = right_path_element!(req);
[INFO] [stdout]     |                       ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/transactions_api.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         match right_path_element!(req) {
[INFO] [stdout]     |               ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grin_servers v1.1.0 (/opt/rustwide/workdir/servers)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> servers/src/common/adapters.rs:352:43
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> servers/src/grin/dandelion_monitor.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |     adapter: Arc<DandelionAdapter>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     adapter: Arc<dyn DandelionAdapter>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> servers/src/grin/dandelion_monitor.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 |     adapter: &Arc<DandelionAdapter>,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |     adapter: &Arc<dyn DandelionAdapter>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> servers/src/common/hooks.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut list: Vec<Box<NetEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut list: Vec<Box<dyn NetEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> servers/src/common/hooks.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut list: Vec<Box<ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut list: Vec<Box<dyn ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> servers/src/mining/stratumserver.rs:707:7
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let mut worker = wl.get_mut(&worker_id).ok_or(RpcError::internal_error())?;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> servers/src/lib.rs:21:9
[INFO] [stdout]     |
[INFO] [stdout] 21  | #![deny(unused_mut)]
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> servers/src/grin/server.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |         fs::create_dir_all(path.clone())?;
[INFO] [stdout]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grin_config v1.1.0 (/opt/rustwide/workdir/config)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> config/src/config.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut defaults = &mut defaults_conf.members.as_mut().unwrap().server;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> config/src/lib.rs:20:9
[INFO] [stdout]     |
[INFO] [stdout] 20  | #![deny(unused_mut)]
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> config/src/config.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |   ...                   .unwrap()
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 238 | | ...                   .clone(),
[INFO] [stdout]     | |______________________________^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/tui/peers.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: grin_api v1.1.0 (/opt/rustwide/workdir/api), grin_core v1.1.0 (/opt/rustwide/workdir/core), grin_secp256k1zkp v0.7.5, nom v3.2.1, rustc-serialize v0.3.24, syn v0.14.9, traitobject v0.1.0
[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" "f8b78d663013b5ac063a2f4d86889e978a63fc8f7f20c28d0ea410e9db591ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b78d663013b5ac063a2f4d86889e978a63fc8f7f20c28d0ea410e9db591ef3", kill_on_drop: false }`
[INFO] [stdout] f8b78d663013b5ac063a2f4d86889e978a63fc8f7f20c28d0ea410e9db591ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec09c402acb714c35f69a5ee79603d807fb4c1adbf339b0222dfe497543ca19b
[INFO] running `Command { std: "docker" "start" "-a" "ec09c402acb714c35f69a5ee79603d807fb4c1adbf339b0222dfe497543ca19b", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> keychain/src/extkey_bip32.rs:125:91
[INFO] [stdout]     |
[INFO] [stdout] 125 |         self.hmac_sha512 = HmacSha512::new_varkey(seed).expect("HMAC can take key of any size");;
[INFO] [stdout]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/extkey_bip32.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let key = r#try!(ExtendedPrivKey::new_master(secp, &mut hasher, &seed));
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> keychain/src/mnemonic.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout]    |                                         ^^                                                                               ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 28 -     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stdout] 28 +     pub static ref WORDS: Vec<String> = include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> keychain/src/mnemonic.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut indexes: Vec<u16> = r#try!(words.iter().map(|x| search(x)).collect());
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/mnemonic.rs:158:2
[INFO] [stdout]     |
[INFO] [stdout] 158 |     r#try!(to_entropy(mnemonic));
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/types.rs:219:3
[INFO] [stdout]     |
[INFO] [stdout] 219 |         r#try!(write!(f, "{}(", stringify!(Identifier)));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> keychain/src/types.rs:220:3
[INFO] [stdout]     |
[INFO] [stdout] 220 |         r#try!(write!(f, "{}", self.to_hex()));
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> keychain/src/extkey_bip32.rs:338:41
[INFO] [stdout]     |
[INFO] [stdout] 338 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:78:9
[INFO] [stdout]     |
[INFO] [stdout] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:287:29
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let (height, timestamp) = ser_multiread!(reader, read_u64, read_i64);
[INFO] [stdout]     |                                   ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:78:9
[INFO] [stdout]     |
[INFO] [stdout] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:294:44
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let (output_mmr_size, kernel_mmr_size) = ser_multiread!(reader, read_u64, read_u64);
[INFO] [stdout]     |                                                  ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:332:3
[INFO] [stdout]     |
[INFO] [stdout] 332 | /         ser_multiwrite!(
[INFO] [stdout] 333 | |             writer,
[INFO] [stdout] 334 | |             [write_u64, self.height],
[INFO] [stdout] 335 | |             [write_i64, self.timestamp.timestamp()],
[INFO] [stdout] ...   |
[INFO] [stdout] 343 | |             [write_u64, self.kernel_mmr_size]
[INFO] [stdout] 344 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> core/src/macros.rs:23:48
[INFO] [stdout]     |
[INFO] [stdout] 23  |         $thing.iter().map($mapfn).collect::<Vec<_>>();
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/block.rs:733:21
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 secp.commit_sum(map_vec!(cb_outs, |x| x.commitment()), vec![over_commit])?;
[INFO] [stdout]     |                                 ------------------------------------- in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `map_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> core/src/core/committed.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout]     |                 ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout] 128 +     ) -> Result<(Commitment, Commitment), Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> core/src/macros.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: core/src/core/compact_block.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 |             ser_multiread!(reader, read_u64, read_u64, read_u64);
[INFO] [stdout]    |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/compact_block.rs:104:3
[INFO] [stdout]     |
[INFO] [stdout] 104 | /         ser_multiwrite!(
[INFO] [stdout] 105 | |             writer,
[INFO] [stdout] 106 | |             [write_u64, self.out_full.len() as u64],
[INFO] [stdout] 107 | |             [write_u64, self.kern_full.len() as u64],
[INFO] [stdout] 108 | |             [write_u64, self.kern_ids.len() as u64]
[INFO] [stdout] 109 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |     $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/transaction.rs:196:3
[INFO] [stdout]     |
[INFO] [stdout] 196 |         ser_multiwrite!(writer, [write_u64, self.fee], [write_u64, self.lock_height]);
[INFO] [stdout]     |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/transaction.rs:419:3
[INFO] [stdout]     |
[INFO] [stdout] 419 | /         ser_multiwrite!(
[INFO] [stdout] 420 | |             writer,
[INFO] [stdout] 421 | |             [write_u64, self.inputs.len() as u64],
[INFO] [stdout] 422 | |             [write_u64, self.outputs.len() as u64],
[INFO] [stdout] 423 | |             [write_u64, self.kernels.len() as u64]
[INFO] [stdout] 424 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:78:9
[INFO] [stdout]     |
[INFO] [stdout] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/core/transaction.rs:439:4
[INFO] [stdout]     |
[INFO] [stdout] 439 |             ser_multiread!(reader, read_u64, read_u64, read_u64);
[INFO] [stdout]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `new_cuckaroo_ctx`
[INFO] [stdout]   --> core/src/global.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::pow::{self, new_cuckaroo_ctx, new_cuckatoo_ctx, EdgeType, PoWContext};
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> core/src/macros.rs:23:48
[INFO] [stdout]     |
[INFO] [stdout] 23  |         $thing.iter().map($mapfn).collect::<Vec<_>>();
[INFO] [stdout]     |                                                      ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/pow/cuckatoo.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |             s.nonces = map_vec!(s.nonces, |n| val[*n as usize]);
[INFO] [stdout]     |                        ---------------------------------------- in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `map_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> core/src/macros.rs:92:8
[INFO] [stdout]     |
[INFO] [stdout] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: core/src/pow/types.rs:271:3
[INFO] [stdout]     |
[INFO] [stdout] 271 | /         ser_multiwrite!(
[INFO] [stdout] 272 | |             writer,
[INFO] [stdout] 273 | |             [write_u64, self.total_difficulty.to_num()],
[INFO] [stdout] 274 | |             [write_u32, self.secondary_scaling]
[INFO] [stdout] 275 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/core/block.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn read(reader: &mut Reader) -> Result<HeaderEntry, ser::Error> {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn read(reader: &mut dyn Reader) -> Result<HeaderEntry, ser::Error> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/core/pmmr/backend.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn leaf_pos_iter(&self) -> Box<Iterator<Item = u64> + '_>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn leaf_pos_iter(&self) -> Box<dyn Iterator<Item = u64> + '_>;
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/core/pmmr/rewindable_pmmr.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn backend(&'a self) -> &Backend<T> {
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn backend(&'a self) -> &dyn Backend<T> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/core/transaction.rs:341:23
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn read(reader: &mut Reader) -> Result<TxKernelEntry, ser::Error> {
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn read(reader: &mut dyn Reader) -> Result<TxKernelEntry, ser::Error> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> store/src/pmmr.rs:113:41
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stdout] 113 +     fn get_hash(&self, pos: u64) -> Option<Hash> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> store/src/pmmr.rs:122:41
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stdout]     |                                            ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 122 -     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stdout] 122 +     fn get_data(&self, pos: u64) -> Option<T::E> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> store/src/pmmr.rs:135:33
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn leaf_pos_iter(&self) -> Box<Iterator<Item = u64> + '_> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn leaf_pos_iter(&self) -> Box<dyn Iterator<Item = u64> + '_> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> store/src/pmmr.rs:469:44
[INFO] [stdout]     |
[INFO] [stdout] 469 |             |possible_dir_entry| -> Result<u32, Box<std::error::Error>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 469 |             |possible_dir_entry| -> Result<u32, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chain/src/txhashset/txhashset.rs:920:53
[INFO] [stdout]     |
[INFO] [stdout] 920 |     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[INFO] [stdout]     |                                                        ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 920 -     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[INFO] [stdout] 920 +     fn apply_output(&mut self, out: &Output) -> Result<u64, Error> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> chain/src/txhashset/txhashset.rs:1211:47
[INFO] [stdout]      |
[INFO] [stdout] 1211 |     pub fn validate_kernel_sums(&self) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout]      |                                                  ^                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1211 -     pub fn validate_kernel_sums(&self) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout] 1211 +     pub fn validate_kernel_sums(&self) -> Result<(Commitment, Commitment), Error> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> chain/src/txhashset/txhashset.rs:1234:14
[INFO] [stdout]      |
[INFO] [stdout] 1234 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout]      |                 ^                        ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1234 -     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stdout] 1234 +     ) -> Result<(Commitment, Commitment), Error> {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> chain/src/chain.rs:648:47
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn kernel_data_write(&self, reader: &mut Read) -> Result<(), Error> {
[INFO] [stdout]     |                                                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<(), Error> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> chain/src/chain.rs:1393:53
[INFO] [stdout]      |
[INFO] [stdout] 1393 |                 let (utxo_sum, kernel_sum) = (sums, genesis as &Committed).verify_kernel_sums(
[INFO] [stdout]      |                                                                 ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1393 |                 let (utxo_sum, kernel_sum) = (sums, genesis as &dyn Committed).verify_kernel_sums(
[INFO] [stdout]      |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> chain/src/chain.rs:316:6
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     &self.orphans.add(orphan);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     let _ = &self.orphans.add(orphan);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> chain/src/store.rs:48:63
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let db = store::Store::new(db_root, None, Some(STORE_SUBPATH.clone()), None)?;
[INFO] [stdout]    |                                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> chain/src/txhashset/txhashset.rs:1438:48
[INFO] [stdout]      |
[INFO] [stdout] 1438 |         if let Ok(n) = clean_files_by_prefix(data_dir.clone(), &pattern, 60 * 60) {
[INFO] [stdout]      |                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:254:3
[INFO] [stdout]     |
[INFO] [stdout] 254 | /         ser_multiwrite!(
[INFO] [stdout] 255 | |             writer,
[INFO] [stdout] 256 | |             [write_u8, self.magic[0]],
[INFO] [stdout] 257 | |             [write_u8, self.magic[1]],
[INFO] [stdout] 258 | |             [write_u8, self.msg_type as u8],
[INFO] [stdout] 259 | |             [write_u64, self.msg_len]
[INFO] [stdout] 260 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (t, msg_len) = ser_multiread!(reader, read_u8, read_u64);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:371:3
[INFO] [stdout]     |
[INFO] [stdout] 371 | /         ser_multiwrite!(
[INFO] [stdout] 372 | |             writer,
[INFO] [stdout] 373 | |             [write_u32, self.capabilities.bits()],
[INFO] [stdout] 374 | |             [write_u64, self.nonce]
[INFO] [stdout] 375 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:388:24
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let (capab, nonce) = ser_multiread!(reader, read_u32, read_u64);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:521:3
[INFO] [stdout]     |
[INFO] [stdout] 521 |         ser_multiwrite!(writer, [write_u32, self.code], [write_bytes, &self.message]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:704:3
[INFO] [stdout]     |
[INFO] [stdout] 704 |         ser_multiwrite!(writer, [write_u64, self.height], [write_u64, self.bytes]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/msg.rs:712:25
[INFO] [stdout]     |
[INFO] [stdout] 712 |         let (height, bytes) = ser_multiread!(reader, read_u64, read_u64);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> p2p/src/store.rs:64:3
[INFO] [stdout]    |
[INFO] [stdout] 64 | /         ser_multiwrite!(
[INFO] [stdout] 65 | |             writer,
[INFO] [stdout] 66 | |             [write_u32, self.capabilities.bits()],
[INFO] [stdout] 67 | |             [write_bytes, &self.user_agent],
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | |             [write_i64, self.last_connected]
[INFO] [stdout] 72 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]   --> p2p/src/store.rs:82:22
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let (fl, lb, br) = ser_multiread!(reader, read_u8, read_i64, read_i32);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> p2p/src/types.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | /                 ser_multiwrite!(
[INFO] [stdout] 115 | |                     writer,
[INFO] [stdout] 116 | |                     [write_u8, 0],
[INFO] [stdout] 117 | |                     [write_fixed_bytes, &sav4.ip().octets().to_vec()],
[INFO] [stdout] 118 | |                     [write_u16, sav4.port()]
[INFO] [stdout] 119 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/peer.rs:557:43
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/peers.rs:669:43
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 669 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/serv.rs:298:44
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn kernel_data_write(&self, _reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn kernel_data_write(&self, _reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> p2p/src/types.rs:532:43
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error>;
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 532 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error>;
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/blocks_api.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout] 70  |         let el = right_path_element!(req);
[INFO] [stdout]     |                  ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/blocks_api.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let el = right_path_element!(req);
[INFO] [stdout]     |                  ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/chain_api.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         match right_path_element!(req) {
[INFO] [stdout]     |               ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/peers_api.rs:59:17
[INFO] [stdout]     |
[INFO] [stdout] 59  |         let command = right_path_element!(req);
[INFO] [stdout]     |                       ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> api/src/web.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: api/src/handlers/transactions_api.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         match right_path_element!(req) {
[INFO] [stdout]     |               ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> servers/src/common/adapters.rs:352:43
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> servers/src/grin/dandelion_monitor.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |     adapter: Arc<DandelionAdapter>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     adapter: Arc<dyn DandelionAdapter>,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> servers/src/grin/dandelion_monitor.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 |     adapter: &Arc<DandelionAdapter>,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |     adapter: &Arc<dyn DandelionAdapter>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> servers/src/common/hooks.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut list: Vec<Box<NetEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut list: Vec<Box<dyn NetEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> servers/src/common/hooks.rs:53:24
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut list: Vec<Box<ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut list: Vec<Box<dyn ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> servers/src/mining/stratumserver.rs:707:7
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let mut worker = wl.get_mut(&worker_id).ok_or(RpcError::internal_error())?;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> servers/src/lib.rs:21:9
[INFO] [stdout]     |
[INFO] [stdout] 21  | #![deny(unused_mut)]
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> servers/src/grin/server.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |         fs::create_dir_all(path.clone())?;
[INFO] [stdout]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> config/src/config.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut defaults = &mut defaults_conf.members.as_mut().unwrap().server;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> config/src/lib.rs:20:9
[INFO] [stdout]     |
[INFO] [stdout] 20  | #![deny(unused_mut)]
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> config/src/config.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |   ...                   .unwrap()
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 238 | | ...                   .clone(),
[INFO] [stdout]     | |______________________________^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling forest v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/tui/peers.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: grin_api v1.1.0 (/opt/rustwide/workdir/api), grin_core v1.1.0 (/opt/rustwide/workdir/core), grin_secp256k1zkp v0.7.5, nom v3.2.1, rustc-serialize v0.3.24, syn v0.14.9, traitobject v0.1.0
[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" "ec09c402acb714c35f69a5ee79603d807fb4c1adbf339b0222dfe497543ca19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec09c402acb714c35f69a5ee79603d807fb4c1adbf339b0222dfe497543ca19b", kill_on_drop: false }`
[INFO] [stdout] ec09c402acb714c35f69a5ee79603d807fb4c1adbf339b0222dfe497543ca19b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bcd86fc409bd0210d06177ec24b04fbd6f69ba7ccc1e0ef343ad2ed85075743
[INFO] running `Command { std: "docker" "start" "-a" "8bcd86fc409bd0210d06177ec24b04fbd6f69ba7ccc1e0ef343ad2ed85075743", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> keychain/src/extkey_bip32.rs:125:91
[INFO] [stderr]     |
[INFO] [stderr] 125 |         self.hmac_sha512 = HmacSha512::new_varkey(seed).expect("HMAC can take key of any size");;
[INFO] [stderr]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> keychain/src/extkey_bip32.rs:388:13
[INFO] [stderr]     |
[INFO] [stderr] 388 |         let key = r#try!(ExtendedPrivKey::new_master(secp, &mut hasher, &seed));
[INFO] [stderr]     |                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> keychain/src/mnemonic.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stderr]    |                                         ^^                                                                               ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 28 -     pub static ref WORDS: Vec<String> = { include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect() };
[INFO] [stderr] 28 +     pub static ref WORDS: Vec<String> = include_str!("wordlists/en.txt").split_whitespace().map(|s| s.into()).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]   --> keychain/src/mnemonic.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut indexes: Vec<u16> = r#try!(words.iter().map(|x| search(x)).collect());
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> keychain/src/mnemonic.rs:158:2
[INFO] [stderr]     |
[INFO] [stderr] 158 |     r#try!(to_entropy(mnemonic));
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> keychain/src/types.rs:219:3
[INFO] [stderr]     |
[INFO] [stderr] 219 |         r#try!(write!(f, "{}(", stringify!(Identifier)));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> keychain/src/types.rs:220:3
[INFO] [stderr]     |
[INFO] [stderr] 220 |         r#try!(write!(f, "{}", self.to_hex()));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> keychain/src/extkey_bip32.rs:338:41
[INFO] [stderr]     |
[INFO] [stderr] 338 |             Error::Ecdsa(ref e) => error::Error::description(e),
[INFO] [stderr]     |                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_keychain` (lib) generated 8 warnings (run `cargo fix --lib -p grin_keychain` to apply 1 suggestion)
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:78:9
[INFO] [stderr]     |
[INFO] [stderr] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/block.rs:287:29
[INFO] [stderr]     |
[INFO] [stderr] 287 |         let (height, timestamp) = ser_multiread!(reader, read_u64, read_i64);
[INFO] [stderr]     |                                   ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:78:9
[INFO] [stderr]     |
[INFO] [stderr] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/block.rs:294:44
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let (output_mmr_size, kernel_mmr_size) = ser_multiread!(reader, read_u64, read_u64);
[INFO] [stderr]     |                                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:92:8
[INFO] [stderr]     |
[INFO] [stderr] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/block.rs:332:3
[INFO] [stderr]     |
[INFO] [stderr] 332 | /         ser_multiwrite!(
[INFO] [stderr] 333 | |             writer,
[INFO] [stderr] 334 | |             [write_u64, self.height],
[INFO] [stderr] 335 | |             [write_i64, self.timestamp.timestamp()],
[INFO] [stderr] ...   |
[INFO] [stderr] 343 | |             [write_u64, self.kernel_mmr_size]
[INFO] [stderr] 344 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> core/src/macros.rs:23:48
[INFO] [stderr]     |
[INFO] [stderr] 23  |         $thing.iter().map($mapfn).collect::<Vec<_>>();
[INFO] [stderr]     |                                                      ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/block.rs:733:21
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 secp.commit_sum(map_vec!(cb_outs, |x| x.commitment()), vec![over_commit])?;
[INFO] [stderr]     |                                 ------------------------------------- in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `map_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> core/src/core/committed.rs:128:14
[INFO] [stderr]     |
[INFO] [stderr] 128 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]     |                 ^                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 128 -     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr] 128 +     ) -> Result<(Commitment, Commitment), Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]   --> core/src/macros.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: core/src/core/compact_block.rs:88:4
[INFO] [stderr]    |
[INFO] [stderr] 88 |             ser_multiread!(reader, read_u64, read_u64, read_u64);
[INFO] [stderr]    |             ---------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:92:8
[INFO] [stderr]     |
[INFO] [stderr] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/compact_block.rs:104:3
[INFO] [stderr]     |
[INFO] [stderr] 104 | /         ser_multiwrite!(
[INFO] [stderr] 105 | |             writer,
[INFO] [stderr] 106 | |             [write_u64, self.out_full.len() as u64],
[INFO] [stderr] 107 | |             [write_u64, self.kern_full.len() as u64],
[INFO] [stderr] 108 | |             [write_u64, self.kern_ids.len() as u64]
[INFO] [stderr] 109 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:92:8
[INFO] [stderr]     |
[INFO] [stderr] 92  |     $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/transaction.rs:196:3
[INFO] [stderr]     |
[INFO] [stderr] 196 |         ser_multiwrite!(writer, [write_u64, self.fee], [write_u64, self.lock_height]);
[INFO] [stderr]     |         ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:92:8
[INFO] [stderr]     |
[INFO] [stderr] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/transaction.rs:419:3
[INFO] [stderr]     |
[INFO] [stderr] 419 | /         ser_multiwrite!(
[INFO] [stderr] 420 | |             writer,
[INFO] [stderr] 421 | |             [write_u64, self.inputs.len() as u64],
[INFO] [stderr] 422 | |             [write_u64, self.outputs.len() as u64],
[INFO] [stderr] 423 | |             [write_u64, self.kernels.len() as u64]
[INFO] [stderr] 424 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:78:9
[INFO] [stderr]     |
[INFO] [stderr] 78  |     ( $(r#try!($rdr.$read_call($($val),*))),* )
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/core/transaction.rs:439:4
[INFO] [stderr]     |
[INFO] [stderr] 439 |             ser_multiread!(reader, read_u64, read_u64, read_u64);
[INFO] [stderr]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `new_cuckaroo_ctx`
[INFO] [stderr]   --> core/src/global.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 | use crate::pow::{self, new_cuckaroo_ctx, new_cuckatoo_ctx, EdgeType, PoWContext};
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> core/src/macros.rs:23:48
[INFO] [stderr]     |
[INFO] [stderr] 23  |         $thing.iter().map($mapfn).collect::<Vec<_>>();
[INFO] [stderr]     |                                                      ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/pow/cuckatoo.rs:267:15
[INFO] [stderr]     |
[INFO] [stderr] 267 |             s.nonces = map_vec!(s.nonces, |n| val[*n as usize]);
[INFO] [stderr]     |                        ---------------------------------------- in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `map_vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> core/src/macros.rs:92:8
[INFO] [stderr]     |
[INFO] [stderr] 92  |       $( r#try!($wrtr.$write_call($val)) );*
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: core/src/pow/types.rs:271:3
[INFO] [stderr]     |
[INFO] [stderr] 271 | /         ser_multiwrite!(
[INFO] [stderr] 272 | |             writer,
[INFO] [stderr] 273 | |             [write_u64, self.total_difficulty.to_num()],
[INFO] [stderr] 274 | |             [write_u32, self.secondary_scaling]
[INFO] [stderr] 275 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/src/core/block.rs:124:23
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn read(reader: &mut Reader) -> Result<HeaderEntry, ser::Error> {
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn read(reader: &mut dyn Reader) -> Result<HeaderEntry, ser::Error> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/src/core/pmmr/backend.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn leaf_pos_iter(&self) -> Box<Iterator<Item = u64> + '_>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn leaf_pos_iter(&self) -> Box<dyn Iterator<Item = u64> + '_>;
[INFO] [stderr]    |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/src/core/pmmr/rewindable_pmmr.rs:53:31
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn backend(&'a self) -> &Backend<T> {
[INFO] [stderr]    |                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn backend(&'a self) -> &dyn Backend<T> {
[INFO] [stderr]    |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/src/core/transaction.rs:341:23
[INFO] [stderr]     |
[INFO] [stderr] 341 |     fn read(reader: &mut Reader) -> Result<TxKernelEntry, ser::Error> {
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 341 |     fn read(reader: &mut dyn Reader) -> Result<TxKernelEntry, ser::Error> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_core` (lib) generated 17 warnings (run `cargo fix --lib -p grin_core` to apply 6 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> store/src/pmmr.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stderr]     |                                            ^    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 113 -     fn get_hash(&self, pos: u64) -> Option<(Hash)> {
[INFO] [stderr] 113 +     fn get_hash(&self, pos: u64) -> Option<Hash> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> store/src/pmmr.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stderr]     |                                            ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 122 -     fn get_data(&self, pos: u64) -> Option<(T::E)> {
[INFO] [stderr] 122 +     fn get_data(&self, pos: u64) -> Option<T::E> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> store/src/pmmr.rs:135:33
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn leaf_pos_iter(&self) -> Box<Iterator<Item = u64> + '_> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn leaf_pos_iter(&self) -> Box<dyn Iterator<Item = u64> + '_> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> store/src/pmmr.rs:469:44
[INFO] [stderr]     |
[INFO] [stderr] 469 |             |possible_dir_entry| -> Result<u32, Box<std::error::Error>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 469 |             |possible_dir_entry| -> Result<u32, Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_store` (lib) generated 4 warnings (run `cargo fix --lib -p grin_store` to apply 4 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> chain/src/txhashset/txhashset.rs:920:53
[INFO] [stderr]     |
[INFO] [stderr] 920 |     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[INFO] [stderr]     |                                                        ^   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 920 -     fn apply_output(&mut self, out: &Output) -> Result<(u64), Error> {
[INFO] [stderr] 920 +     fn apply_output(&mut self, out: &Output) -> Result<u64, Error> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> chain/src/txhashset/txhashset.rs:1211:47
[INFO] [stderr]      |
[INFO] [stderr] 1211 |     pub fn validate_kernel_sums(&self) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]      |                                                  ^                        ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1211 -     pub fn validate_kernel_sums(&self) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr] 1211 +     pub fn validate_kernel_sums(&self) -> Result<(Commitment, Commitment), Error> {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> chain/src/txhashset/txhashset.rs:1234:14
[INFO] [stderr]      |
[INFO] [stderr] 1234 |     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr]      |                 ^                        ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1234 -     ) -> Result<((Commitment, Commitment)), Error> {
[INFO] [stderr] 1234 +     ) -> Result<(Commitment, Commitment), Error> {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> chain/src/chain.rs:648:47
[INFO] [stderr]     |
[INFO] [stderr] 648 |     pub fn kernel_data_write(&self, reader: &mut Read) -> Result<(), Error> {
[INFO] [stderr]     |                                                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 648 |     pub fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<(), Error> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> chain/src/chain.rs:1393:53
[INFO] [stderr]      |
[INFO] [stderr] 1393 |                 let (utxo_sum, kernel_sum) = (sums, genesis as &Committed).verify_kernel_sums(
[INFO] [stderr]      |                                                                 ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1393 |                 let (utxo_sum, kernel_sum) = (sums, genesis as &dyn Committed).verify_kernel_sums(
[INFO] [stderr]      |                                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> chain/src/chain.rs:316:6
[INFO] [stderr]     |
[INFO] [stderr] 316 |                     &self.orphans.add(orphan);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 316 |                     let _ = &self.orphans.add(orphan);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> chain/src/store.rs:48:63
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let db = store::Store::new(db_root, None, Some(STORE_SUBPATH.clone()), None)?;
[INFO] [stderr]    |                                                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]     --> chain/src/txhashset/txhashset.rs:1438:48
[INFO] [stderr]      |
[INFO] [stderr] 1438 |         if let Ok(n) = clean_files_by_prefix(data_dir.clone(), &pattern, 60 * 60) {
[INFO] [stderr]      |                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]      |
[INFO] [stderr]      = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_chain` (lib) generated 8 warnings (run `cargo fix --lib -p grin_chain` to apply 7 suggestions)
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:254:3
[INFO] [stderr]     |
[INFO] [stderr] 254 | /         ser_multiwrite!(
[INFO] [stderr] 255 | |             writer,
[INFO] [stderr] 256 | |             [write_u8, self.magic[0]],
[INFO] [stderr] 257 | |             [write_u8, self.magic[1]],
[INFO] [stderr] 258 | |             [write_u8, self.msg_type as u8],
[INFO] [stderr] 259 | |             [write_u64, self.msg_len]
[INFO] [stderr] 260 | |         );
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:273:22
[INFO] [stderr]     |
[INFO] [stderr] 273 |         let (t, msg_len) = ser_multiread!(reader, read_u8, read_u64);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:371:3
[INFO] [stderr]     |
[INFO] [stderr] 371 | /         ser_multiwrite!(
[INFO] [stderr] 372 | |             writer,
[INFO] [stderr] 373 | |             [write_u32, self.capabilities.bits()],
[INFO] [stderr] 374 | |             [write_u64, self.nonce]
[INFO] [stderr] 375 | |         );
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:388:24
[INFO] [stderr]     |
[INFO] [stderr] 388 |         let (capab, nonce) = ser_multiread!(reader, read_u32, read_u64);
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:521:3
[INFO] [stderr]     |
[INFO] [stderr] 521 |         ser_multiwrite!(writer, [write_u32, self.code], [write_bytes, &self.message]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:704:3
[INFO] [stderr]     |
[INFO] [stderr] 704 |         ser_multiwrite!(writer, [write_u64, self.height], [write_u64, self.bytes]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/msg.rs:712:25
[INFO] [stderr]     |
[INFO] [stderr] 712 |         let (height, bytes) = ser_multiread!(reader, read_u64, read_u64);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]   --> p2p/src/store.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 | /         ser_multiwrite!(
[INFO] [stderr] 65 | |             writer,
[INFO] [stderr] 66 | |             [write_u32, self.capabilities.bits()],
[INFO] [stderr] 67 | |             [write_bytes, &self.user_agent],
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |             [write_i64, self.last_connected]
[INFO] [stderr] 72 | |         );
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]   --> p2p/src/store.rs:82:22
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (fl, lb, br) = ser_multiread!(reader, read_u8, read_i64, read_i32);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `ser_multiread` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stderr]    --> p2p/src/types.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 | /                 ser_multiwrite!(
[INFO] [stderr] 115 | |                     writer,
[INFO] [stderr] 116 | |                     [write_u8, 0],
[INFO] [stderr] 117 | |                     [write_fixed_bytes, &sav4.ip().octets().to_vec()],
[INFO] [stderr] 118 | |                     [write_u16, sav4.port()]
[INFO] [stderr] 119 | |                 );
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `ser_multiwrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> p2p/src/peer.rs:557:43
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 557 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> p2p/src/peers.rs:669:43
[INFO] [stderr]     |
[INFO] [stderr] 669 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 669 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> p2p/src/serv.rs:298:44
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn kernel_data_write(&self, _reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                               ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn kernel_data_write(&self, _reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> p2p/src/types.rs:532:43
[INFO] [stderr]     |
[INFO] [stderr] 532 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error>;
[INFO] [stderr]     |                                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 532 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error>;
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_p2p` (lib) generated 14 warnings (run `cargo fix --lib -p grin_p2p` to apply 4 suggestions)
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> api/src/web.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 |         };
[INFO] [stderr]     |          ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: api/src/handlers/blocks_api.rs:70:12
[INFO] [stderr]     |
[INFO] [stderr] 70  |         let el = right_path_element!(req);
[INFO] [stderr]     |                  ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> api/src/web.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 |         };
[INFO] [stderr]     |          ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: api/src/handlers/blocks_api.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let el = right_path_element!(req);
[INFO] [stderr]     |                  ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> api/src/web.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 |         };
[INFO] [stderr]     |          ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: api/src/handlers/chain_api.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         match right_path_element!(req) {
[INFO] [stderr]     |               ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> api/src/web.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 |         };
[INFO] [stderr]     |          ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: api/src/handlers/peers_api.rs:59:17
[INFO] [stderr]     |
[INFO] [stderr] 59  |         let command = right_path_element!(req);
[INFO] [stderr]     |                       ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> api/src/web.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 |         };
[INFO] [stderr]     |          ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: api/src/handlers/transactions_api.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         match right_path_element!(req) {
[INFO] [stderr]     |               ------------------------ in this macro invocation
[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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `right_path_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_api` (lib) generated 5 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> servers/src/common/adapters.rs:352:43
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn kernel_data_write(&self, reader: &mut Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn kernel_data_write(&self, reader: &mut dyn Read) -> Result<bool, chain::Error> {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> servers/src/grin/dandelion_monitor.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |     adapter: Arc<DandelionAdapter>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 |     adapter: Arc<dyn DandelionAdapter>,
[INFO] [stderr]    |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> servers/src/grin/dandelion_monitor.rs:105:16
[INFO] [stderr]     |
[INFO] [stderr] 105 |     adapter: &Arc<DandelionAdapter>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 105 |     adapter: &Arc<dyn DandelionAdapter>,
[INFO] [stderr]     |                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> servers/src/common/hooks.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut list: Vec<Box<NetEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut list: Vec<Box<dyn NetEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> servers/src/common/hooks.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut list: Vec<Box<ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut list: Vec<Box<dyn ChainEvents + Send + Sync>> = Vec::new();
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> servers/src/mining/stratumserver.rs:707:7
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let mut worker = wl.get_mut(&worker_id).ok_or(RpcError::internal_error())?;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> servers/src/lib.rs:21:9
[INFO] [stderr]     |
[INFO] [stderr] 21  | #![deny(unused_mut)]
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> servers/src/grin/server.rs:120:26
[INFO] [stderr]     |
[INFO] [stderr] 120 |         fs::create_dir_all(path.clone())?;
[INFO] [stderr]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_servers` (lib) generated 7 warnings (run `cargo fix --lib -p grin_servers` to apply 7 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> config/src/config.rs:160:7
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let mut defaults = &mut defaults_conf.members.as_mut().unwrap().server;
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> config/src/lib.rs:20:9
[INFO] [stderr]     |
[INFO] [stderr] 20  | #![deny(unused_mut)]
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> config/src/config.rs:237:17
[INFO] [stderr]     |
[INFO] [stderr] 237 |   ...                   .unwrap()
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 238 | | ...                   .clone(),
[INFO] [stderr]     | |______________________________^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `grin_config` (lib) generated 2 warnings (run `cargo fix --lib -p grin_config` to apply 2 suggestions)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bin/tui/peers.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `forest` (bin "forest" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: grin_api v1.1.0 (/opt/rustwide/workdir/api), grin_core v1.1.0 (/opt/rustwide/workdir/core), grin_secp256k1zkp v0.7.5, nom v3.2.1, rustc-serialize v0.3.24, syn v0.14.9, traitobject v0.1.0
[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/bin/grin.rs (/opt/rustwide/target/debug/deps/forest-1a762a6acdba7eb6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bcd86fc409bd0210d06177ec24b04fbd6f69ba7ccc1e0ef343ad2ed85075743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcd86fc409bd0210d06177ec24b04fbd6f69ba7ccc1e0ef343ad2ed85075743", kill_on_drop: false }`
[INFO] [stdout] 8bcd86fc409bd0210d06177ec24b04fbd6f69ba7ccc1e0ef343ad2ed85075743
[INFO] testing forestblock/forest against beta-2024-01-09 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforestblock%2Fforest" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/forestblock/forest on toolchain beta-2024-01-09
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/forestblock/forest
[INFO] finished tweaking git repo https://github.com/forestblock/forest
[INFO] tweaked toml for git repo https://github.com/forestblock/forest written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/forestblock/forest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6884188e33069fffba36f61c8e93adaa66f0588a0bcf2a6d5ca3e3d769a7a6bd
[INFO] running `Command { std: "docker" "start" "-a" "6884188e33069fffba36f61c8e93adaa66f0588a0bcf2a6d5ca3e3d769a7a6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6884188e33069fffba36f61c8e93adaa66f0588a0bcf2a6d5ca3e3d769a7a6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6884188e33069fffba36f61c8e93adaa66f0588a0bcf2a6d5ca3e3d769a7a6bd", kill_on_drop: false }`
[INFO] [stdout] 6884188e33069fffba36f61c8e93adaa66f0588a0bcf2a6d5ca3e3d769a7a6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a58f846877e011712bf4e06b4dee1da86955f1dd8fe53acc21b297f6dcade79a
[INFO] running `Command { std: "docker" "start" "-a" "a58f846877e011712bf4e06b4dee1da86955f1dd8fe53acc21b297f6dcade79a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/650745ceb2ae60e04f8cd7bfb671fc37239533e4/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a58f846877e011712bf4e06b4dee1da86955f1dd8fe53acc21b297f6dcade79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58f846877e011712bf4e06b4dee1da86955f1dd8fe53acc21b297f6dcade79a", kill_on_drop: false }`
[INFO] [stdout] a58f846877e011712bf4e06b4dee1da86955f1dd8fe53acc21b297f6dcade79a
