[INFO] cloning repository https://github.com/DancingAxolotl/parity-contract-listener-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DancingAxolotl/parity-contract-listener-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDancingAxolotl%2Fparity-contract-listener-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDancingAxolotl%2Fparity-contract-listener-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e0d9674d23540b58bfc7e8febd5e0b7cd2a36e6
[INFO] documenting DancingAxolotl/parity-contract-listener-poc against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDancingAxolotl%2Fparity-contract-listener-poc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DancingAxolotl/parity-contract-listener-poc on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/DancingAxolotl/parity-contract-listener-poc
[INFO] finished tweaking git repo https://github.com/DancingAxolotl/parity-contract-listener-poc
[INFO] tweaked toml for git repo https://github.com/DancingAxolotl/parity-contract-listener-poc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/DancingAxolotl/parity-contract-listener-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d9f070fc25a1bbad8df84259e4b3119f633cfc7f41879ae73d0fb4688825daf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d9f070fc25a1bbad8df84259e4b3119f633cfc7f41879ae73d0fb4688825daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d9f070fc25a1bbad8df84259e4b3119f633cfc7f41879ae73d0fb4688825daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9f070fc25a1bbad8df84259e4b3119f633cfc7f41879ae73d0fb4688825daf", kill_on_drop: false }`
[INFO] [stdout] 5d9f070fc25a1bbad8df84259e4b3119f633cfc7f41879ae73d0fb4688825daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1914355fe5ccb337d5d96cf550b18441953d47f608c82901d19357cd2687a7a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1914355fe5ccb337d5d96cf550b18441953d47f608c82901d19357cd2687a7a5", kill_on_drop: false }`
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[INFO] [stderr]     Checking cid v0.3.0
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[INFO] [stderr]     Checking rlp_compress v0.1.0 (/opt/rustwide/workdir/util/rlp-compress)
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[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling parity-version v2.4.0 (/opt/rustwide/workdir/util/version)
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/rlp-compress/src/lib.rs:43:37
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn compress(c: &[u8], swapper: &Compressor) -> ElasticArray1024<u8> {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Compressor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/rlp-compress/src/lib.rs:53:39
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn decompress(c: &[u8], swapper: &Decompressor) -> ElasticArray1024<u8> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Decompressor`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking triehash-ethereum v0.2.0 (/opt/rustwide/workdir/util/triehash-ethereum)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking journaldb v0.2.0 (/opt/rustwide/workdir/util/journaldb)
[INFO] [stderr]     Checking ethash v1.12.0 (/opt/rustwide/workdir/ethash)
[INFO] [stderr]     Checking blooms-db v0.1.0 (/opt/rustwide/workdir/util/blooms-db)
[INFO] [stderr]     Checking len-caching-lock v0.1.1 (/opt/rustwide/workdir/util/len-caching-lock)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/traits.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn boxed_clone(&self) -> Box<JournalDB>;
[INFO] [stdout]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn JournalDB`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/traits.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn backing(&self) -> &Arc<kvdb::KeyValueDB>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn kvdb::KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/archivedb.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 |     backing: Arc<KeyValueDB>,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/archivedb.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(backing: Arc<KeyValueDB>, column: Option<u32>) -> ArchiveDB {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/archivedb.rs:113:31
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn boxed_clone(&self) -> Box<JournalDB> {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: use `dyn`: `dyn JournalDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/archivedb.rs:192:28
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn backing(&self) -> &Arc<KeyValueDB> {
[INFO] [stdout]     |                               ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     backing: Arc<KeyValueDB>,
[INFO] [stdout]     |                  ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn new(backing: Arc<KeyValueDB>, col: Option<u32>) -> EarlyMergeDB {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:140:29
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn is_already_in(backing: &KeyValueDB, col: Option<u32>, key: &H256) -> bool {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:144:56
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn insert_keys(inserts: &[(H256, DBValue)], backing: &KeyValueDB, col: Option<u32>, refs: &mut HashMap<H256, RefInfo>, batch: &mut DB...
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:176:45
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn replay_keys(inserts: &[H256], backing: &KeyValueDB, col: Option<u32>, refs: &mut HashMap<H256, RefInfo>) {
[INFO] [stdout]     |                                                ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:264:20
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn read_refs(db: &KeyValueDB, col: Option<u32>) -> (Option<u64>, HashMap<H256, RefInfo>) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:334:31
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn boxed_clone(&self) -> Box<JournalDB> {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: use `dyn`: `dyn JournalDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/earlymergedb.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn backing(&self) -> &Arc<KeyValueDB> {
[INFO] [stdout]     |                               ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/overlayrecentdb.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |     backing: Arc<KeyValueDB>,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/overlayrecentdb.rs:157:26
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn new(backing: Arc<KeyValueDB>, col: Option<u32>) -> OverlayRecentDB {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/overlayrecentdb.rs:182:23
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn read_overlay(db: &KeyValueDB, col: Option<u32>) -> JournalOverlay {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/overlayrecentdb.rs:246:31
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn boxed_clone(&self) -> Box<JournalDB> {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: use `dyn`: `dyn JournalDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/overlayrecentdb.rs:270:28
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn backing(&self) -> &Arc<KeyValueDB> {
[INFO] [stdout]     |                               ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/refcounteddb.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |     backing: Arc<KeyValueDB>,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/refcounteddb.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn new(backing: Arc<KeyValueDB>, column: Option<u32>) -> RefCountedDB {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/refcounteddb.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn boxed_clone(&self) -> Box<JournalDB> {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn JournalDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/refcounteddb.rs:112:28
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn backing(&self) -> &Arc<KeyValueDB> {
[INFO] [stdout]     |                               ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn as_hashdb(&self) -> &HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn as_hashdb(&self) -> &HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:34:38
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn as_hashdb(&self) -> &HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn as_hashdb(&self) -> &HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn as_hashdb(&self) -> &HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/as_hash_db_impls.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<KeccakHasher, DBValue> { self }
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/overlaydb.rs:43:15
[INFO] [stdout]    |
[INFO] [stdout] 43 |     backing: Arc<KeyValueDB>,
[INFO] [stdout]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/journaldb/src/overlaydb.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new(backing: Arc<KeyValueDB>, col: Option<u32>) -> OverlayDB {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn KeyValueDB`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/lib.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn new(backing: Arc<::kvdb::KeyValueDB>, algorithm: Algorithm, col: Option<u32>) -> Box<JournalDB> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::kvdb::KeyValueDB)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/journaldb/src/lib.rs:140:93
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn new(backing: Arc<::kvdb::KeyValueDB>, algorithm: Algorithm, col: Option<u32>) -> Box<JournalDB> {
[INFO] [stdout]     |                                                                                             ^^^^^^^^^ help: use `dyn`: `dyn JournalDB`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> ethash/src/compute.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/blooms-db/src/db.rs:24:57
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn other_io_err<E>(e: E) -> io::Error where E: Into<Box<error::Error + Send + Sync>> {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> ethash/src/compute.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut buf: [u8; 64 + 32] = mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> ethash/src/compute.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut hash: [u8; 32] = mem::uninitialized();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> ethash/src/compute.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut out: [u8; NODE_BYTES] = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> ethash/src/compute.rs:196:28
[INFO] [stdout]     |
[INFO] [stdout] 196 |         compress_bytes: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> ethash/src/shared.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let val: $b = ::std::mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 | static_assert_size_eq!(Node, NodeBytes, NodeWords, NodeDwords);
[INFO] [stdout]    | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_assert_size_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> ethash/src/shared.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let val: $b = ::std::mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 | static_assert_size_eq!(Node, NodeBytes, NodeWords, NodeDwords);
[INFO] [stdout]    | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_assert_size_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> ethash/src/shared.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let val: $b = ::std::mem::uninitialized();
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 | static_assert_size_eq!(Node, NodeBytes, NodeWords, NodeDwords);
[INFO] [stdout]    | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `static_assert_size_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ethcore-logger v1.12.0 (/opt/rustwide/workdir/parity/logger)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking ethcore-io v1.12.0 (/opt/rustwide/workdir/util/io)
[INFO] [stderr]     Checking parity-runtime v0.1.0 (/opt/rustwide/workdir/util/runtime)
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-named-pipes v0.1.0
[INFO] [stderr]     Checking tokio-rustls v0.7.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/io/src/service_mio.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |         handler: Arc<IoHandler<Message>+Send>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>+Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 |     handlers: Arc<RwLock<Slab<Arc<IoHandler<Message>>>>>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:195:33
[INFO] [stdout]     |
[INFO] [stdout] 195 |         handlers: Arc<RwLock<Slab<Arc<IoHandler<Message>>>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |     SharedCollection(Weak<RwLock<Slab<Arc<IoHandler<Message>>>>>),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:338:14
[INFO] [stdout]     |
[INFO] [stdout] 338 |     Single(Weak<IoHandler<Message>>),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |     pub fn to_handler(handler: Weak<IoHandler<Message>>) -> IoChannel<Message> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:422:77
[INFO] [stdout]     |
[INFO] [stdout] 422 |     fn new(channel: Sender<IoMessage<Message>>, handlers: Weak<RwLock<Slab<Arc<IoHandler<Message>>>>>) -> IoChannel<Message> {
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:435:32
[INFO] [stdout]     |
[INFO] [stdout] 435 |     handlers: Arc<RwLock<Slab<Arc<IoHandler<Message>>>>>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/io/src/service_mio.rs:472:46
[INFO] [stdout]     |
[INFO] [stdout] 472 |     pub fn register_handler(&self, handler: Arc<IoHandler<Message>+Send>) -> Result<(), IoError> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>+Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> util/io/src/worker.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub handler: Arc<IoHandler<Message>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IoHandler<Message>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dir v0.1.2 (/opt/rustwide/workdir/util/dir)
[INFO] [stderr]     Checking parity-tokio-ipc v0.1.0
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling rlp_derive v0.1.0 (/opt/rustwide/workdir/util/rlp-derive)
[INFO] [stderr]     Checking hyper-rustls v0.14.0
[INFO] [stderr]     Checking fetch v0.1.0 (/opt/rustwide/workdir/util/fetch)
[INFO] [stderr] error: could not compile `ethereum-types`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ethereum_types /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ethereum-types-0.4.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="ethereum-types-serialize"' --cfg 'feature="heapsizeof"' --cfg 'feature="serde"' --cfg 'feature="serialize"' --cfg 'feature="std"' -C metadata=2883834fc03a6ad9 -C extra-filename=-2883834fc03a6ad9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-a46a1b514a01c67d.rmeta --extern ethbloom=/opt/rustwide/target/debug/deps/libethbloom-6eb92e4885c7a9e8.rmeta --extern ethereum_types_serialize=/opt/rustwide/target/debug/deps/libethereum_types_serialize-0e6051afdd363413.rmeta --extern fixed_hash=/opt/rustwide/target/debug/deps/libfixed_hash-a39505a8168393be.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f2254fbd2a266563.rmeta --extern uint=/opt/rustwide/target/debug/deps/libuint-3dfff3f97891d051.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/fetch/src/client.rs:274:20
[INFO] [stdout]     |
[INFO] [stdout] 274 |     type Result = Box<Future<Item=Response, Error=Error> + Send + 'static>;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response, Error=Error> + Send + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> util/fetch/src/client.rs:611:29
[INFO] [stdout]     |
[INFO] [stdout] 611 |     fn cause(&self) -> Option<&::std::error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1914355fe5ccb337d5d96cf550b18441953d47f608c82901d19357cd2687a7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1914355fe5ccb337d5d96cf550b18441953d47f608c82901d19357cd2687a7a5", kill_on_drop: false }`
[INFO] [stdout] 1914355fe5ccb337d5d96cf550b18441953d47f608c82901d19357cd2687a7a5
