[INFO] fetching crate bloomchain 0.2.0...
[INFO] building bloomchain-0.2.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate bloomchain 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bloomchain 0.2.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bloomchain 0.2.0
[INFO] finished tweaking crates.io crate bloomchain 0.2.0
[INFO] tweaked toml for crates.io crate bloomchain 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethbloom v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaa8c2f42afbcf4d07c129e2b9c25b8d4234da9bcafd1bc369775c663729a73d
[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" "aaa8c2f42afbcf4d07c129e2b9c25b8d4234da9bcafd1bc369775c663729a73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaa8c2f42afbcf4d07c129e2b9c25b8d4234da9bcafd1bc369775c663729a73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaa8c2f42afbcf4d07c129e2b9c25b8d4234da9bcafd1bc369775c663729a73d", kill_on_drop: false }`
[INFO] [stdout] aaa8c2f42afbcf4d07c129e2b9c25b8d4234da9bcafd1bc369775c663729a73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917a67d38630002a9db745e7d6a9ea3f01b7a259dfdfda174286d66c0c2470d5
[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" "917a67d38630002a9db745e7d6a9ea3f01b7a259dfdfda174286d66c0c2470d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling ethbloom v0.2.5
[INFO] [stderr]    Compiling bloomchain v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/chain.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     db: &'a BloomDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomDatabase`
[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]   --> src/chain.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(config: Config, db: &'a BloomDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomDatabase`
[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]    --> src/chain.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn filter(&self, filter: &Filter) -> Vec<Number> {
[INFO] [stdout]     |                                   ^^^^^^ help: use `dyn`: `dyn Filter`
[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]   --> src/group/bridge.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     db: &'a BloomGroupDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/bridge.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config: Config, db: &'a BloomGroupDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     db: &'a BloomGroupDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(config: Config, db: &'a BloomGroupDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn filter(&self, filter: &Filter) -> Vec<Number> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Filter`
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/group/chain.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     let mut group = acc
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "917a67d38630002a9db745e7d6a9ea3f01b7a259dfdfda174286d66c0c2470d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917a67d38630002a9db745e7d6a9ea3f01b7a259dfdfda174286d66c0c2470d5", kill_on_drop: false }`
[INFO] [stdout] 917a67d38630002a9db745e7d6a9ea3f01b7a259dfdfda174286d66c0c2470d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2764c54f7b6ac6bbfb4de3c146d400cb98ed7a87cbd26856f1c8fd1e95b5264e
[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" "2764c54f7b6ac6bbfb4de3c146d400cb98ed7a87cbd26856f1c8fd1e95b5264e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/chain.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     db: &'a BloomDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomDatabase`
[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]   --> src/chain.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(config: Config, db: &'a BloomDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomDatabase`
[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]    --> src/chain.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn filter(&self, filter: &Filter) -> Vec<Number> {
[INFO] [stdout]     |                                   ^^^^^^ help: use `dyn`: `dyn Filter`
[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]   --> src/group/bridge.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     db: &'a BloomGroupDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/bridge.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config: Config, db: &'a BloomGroupDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     db: &'a BloomGroupDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(config: Config, db: &'a BloomGroupDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn filter(&self, filter: &Filter) -> Vec<Number> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Filter`
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/group/chain.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     let mut group = acc
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bloomchain v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/chain.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     db: &'a BloomDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomDatabase`
[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]   --> src/chain.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(config: Config, db: &'a BloomDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomDatabase`
[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]    --> src/chain.rs:146:32
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn filter(&self, filter: &Filter) -> Vec<Number> {
[INFO] [stdout]     |                                   ^^^^^^ help: use `dyn`: `dyn Filter`
[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]   --> src/group/bridge.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     db: &'a BloomGroupDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/bridge.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(config: Config, db: &'a BloomGroupDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     db: &'a BloomGroupDatabase,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(config: Config, db: &'a BloomGroupDatabase) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn BloomGroupDatabase`
[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]   --> src/group/chain.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn filter(&self, filter: &Filter) -> Vec<Number> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Filter`
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/group/chain.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |                     let mut group = acc
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "2764c54f7b6ac6bbfb4de3c146d400cb98ed7a87cbd26856f1c8fd1e95b5264e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2764c54f7b6ac6bbfb4de3c146d400cb98ed7a87cbd26856f1c8fd1e95b5264e", kill_on_drop: false }`
[INFO] [stdout] 2764c54f7b6ac6bbfb4de3c146d400cb98ed7a87cbd26856f1c8fd1e95b5264e
