[INFO] fetching crate dqcsim 0.4.1...
[INFO] building dqcsim-0.4.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate dqcsim 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dqcsim 0.4.1 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 dqcsim 0.4.1
[INFO] finished tweaking crates.io crate dqcsim 0.4.1
[INFO] tweaked toml for crates.io crate dqcsim 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dqcsim 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 78b79b7583a796db383826cae9dabf45577064ccb2af90b359de13091233d81f
[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" "78b79b7583a796db383826cae9dabf45577064ccb2af90b359de13091233d81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78b79b7583a796db383826cae9dabf45577064ccb2af90b359de13091233d81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b79b7583a796db383826cae9dabf45577064ccb2af90b359de13091233d81f", kill_on_drop: false }`
[INFO] [stdout] 78b79b7583a796db383826cae9dabf45577064ccb2af90b359de13091233d81f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8cb4f1b5840275ffd3c43bd26769f1f7b3ba3f10b632492e04965d46d0c6531b
[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" "8cb4f1b5840275ffd3c43bd26769f1f7b3ba3f10b632492e04965d46d0c6531b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling dqcsim v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling is_executable v0.1.2
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling whoami v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde-transcode v1.1.0
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling ipc-channel v0.14.1
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/core/common/types/arb_cmd.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 |         };
[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]    --> src/core/host/plugin/thread.rs:133:62
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     join_thread(self.handle.take().unwrap(), Plugin::name(self));
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:136:61
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     error!("Thread {} failed to abort: {}", Plugin::name(self), error);
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:139:55
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     error!("Unexected reply from {}", Plugin::name(self));
[INFO] [stdout]     |                                                       ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     error!("Failed to send Abort to {}: {}", Plugin::name(self), error);
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:143:62
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     join_thread(self.handle.take().unwrap(), Plugin::name(self));
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:147:60
[INFO] [stdout]     |
[INFO] [stdout] 147 |             error!("Thread handle for {} already dropped", Plugin::name(self));
[INFO] [stdout]     |                                                            ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:149:52
[INFO] [stdout]     |
[INFO] [stdout] 149 |             error!("Channel to {} already closed", Plugin::name(self));
[INFO] [stdout]     |                                                    ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "8cb4f1b5840275ffd3c43bd26769f1f7b3ba3f10b632492e04965d46d0c6531b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb4f1b5840275ffd3c43bd26769f1f7b3ba3f10b632492e04965d46d0c6531b", kill_on_drop: false }`
[INFO] [stdout] 8cb4f1b5840275ffd3c43bd26769f1f7b3ba3f10b632492e04965d46d0c6531b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a951486cc216247964359a01a353ce29e71141376203382aa4bde70b37964639
[INFO] running `Command { std: "docker" "start" "-a" "a951486cc216247964359a01a353ce29e71141376203382aa4bde70b37964639", kill_on_drop: false }`
[INFO] [stderr]    Compiling dqcsim v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/core/common/types/arb_cmd.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 |         };
[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]    --> src/core/host/plugin/thread.rs:133:62
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     join_thread(self.handle.take().unwrap(), Plugin::name(self));
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:136:61
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     error!("Thread {} failed to abort: {}", Plugin::name(self), error);
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:139:55
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     error!("Unexected reply from {}", Plugin::name(self));
[INFO] [stdout]     |                                                       ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     error!("Failed to send Abort to {}: {}", Plugin::name(self), error);
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:143:62
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     join_thread(self.handle.take().unwrap(), Plugin::name(self));
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:147:60
[INFO] [stdout]     |
[INFO] [stdout] 147 |             error!("Thread handle for {} already dropped", Plugin::name(self));
[INFO] [stdout]     |                                                            ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:149:52
[INFO] [stdout]     |
[INFO] [stdout] 149 |             error!("Channel to {} already closed", Plugin::name(self));
[INFO] [stdout]     |                                                    ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/core/common/types/arb_cmd.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 |         };
[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]    --> src/core/host/plugin/thread.rs:133:62
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     join_thread(self.handle.take().unwrap(), Plugin::name(self));
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:136:61
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     error!("Thread {} failed to abort: {}", Plugin::name(self), error);
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:139:55
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     error!("Unexected reply from {}", Plugin::name(self));
[INFO] [stdout]     |                                                       ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     error!("Failed to send Abort to {}: {}", Plugin::name(self), error);
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:143:62
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     join_thread(self.handle.take().unwrap(), Plugin::name(self));
[INFO] [stdout]     |                                                              ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:147:60
[INFO] [stdout]     |
[INFO] [stdout] 147 |             error!("Thread handle for {} already dropped", Plugin::name(self));
[INFO] [stdout]     |                                                            ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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/core/host/plugin/thread.rs:149:52
[INFO] [stdout]     |
[INFO] [stdout] 149 |             error!("Channel to {} already closed", Plugin::name(self));
[INFO] [stdout]     |                                                    ^^^^^^ help: use `dyn`: `<dyn Plugin>`
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.48s
[INFO] running `Command { std: "docker" "inspect" "a951486cc216247964359a01a353ce29e71141376203382aa4bde70b37964639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a951486cc216247964359a01a353ce29e71141376203382aa4bde70b37964639", kill_on_drop: false }`
[INFO] [stdout] a951486cc216247964359a01a353ce29e71141376203382aa4bde70b37964639
