[INFO] fetching crate rabbiteer 1.4.1...
[INFO] testing rabbiteer-1.4.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rabbiteer 1.4.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rabbiteer 1.4.1 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] started tweaking crates.io crate rabbiteer 1.4.1
[INFO] finished tweaking crates.io crate rabbiteer 1.4.1
[INFO] tweaked toml for crates.io crate rabbiteer 1.4.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8dcc64ed5bc34bb0c1f3ea81ca4a39a346b75542374025a2a74529efb5853c1c
[INFO] running `Command { std: "docker" "start" "-a" "8dcc64ed5bc34bb0c1f3ea81ca4a39a346b75542374025a2a74529efb5853c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dcc64ed5bc34bb0c1f3ea81ca4a39a346b75542374025a2a74529efb5853c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcc64ed5bc34bb0c1f3ea81ca4a39a346b75542374025a2a74529efb5853c1c", kill_on_drop: false }`
[INFO] [stdout] 8dcc64ed5bc34bb0c1f3ea81ca4a39a346b75542374025a2a74529efb5853c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8075701cb989d41448fe8aba082a0f5ed7617d7d4327057b290ddfb6137e363
[INFO] running `Command { std: "docker" "start" "-a" "c8075701cb989d41448fe8aba082a0f5ed7617d7d4327057b290ddfb6137e363", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling amq-proto v0.1.0
[INFO] [stderr]    Compiling amqp v0.1.3
[INFO] [stderr]    Compiling rabbiteer v1.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub reader: Box<io::Read>,
[INFO] [stdout]    |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/client.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type ReceiveCb = FnMut(&mut Channel, Deliver, BasicProperties, Vec<u8>) -> Result<(), RbtError> + Send;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Channel, Deliver, BasicProperties, Vec<u8>) -> Result<(), RbtError> + 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: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/output.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(RustcEncodable)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/output.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(RustcEncodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/output.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(RustcEncodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/publish.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let reader: Box<io::Read> = match file.as_ref() {
[INFO] [stdout]    |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/main.rs:186:56
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn if_differs(opt:Option<&str>, def:&str, set:&mut FnMut(String) -> ()) {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) -> ()`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:108:28
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     if err.description() == "timed out waiting on channel".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "c8075701cb989d41448fe8aba082a0f5ed7617d7d4327057b290ddfb6137e363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8075701cb989d41448fe8aba082a0f5ed7617d7d4327057b290ddfb6137e363", kill_on_drop: false }`
[INFO] [stdout] c8075701cb989d41448fe8aba082a0f5ed7617d7d4327057b290ddfb6137e363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3d7e78472e1771def88e5549c71200beea29fab846317efe382e1ed70f0264
[INFO] running `Command { std: "docker" "start" "-a" "ee3d7e78472e1771def88e5549c71200beea29fab846317efe382e1ed70f0264", kill_on_drop: false }`
[INFO] [stderr]    Compiling rabbiteer v1.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub reader: Box<io::Read>,
[INFO] [stdout]    |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/client.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type ReceiveCb = FnMut(&mut Channel, Deliver, BasicProperties, Vec<u8>) -> Result<(), RbtError> + Send;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Channel, Deliver, BasicProperties, Vec<u8>) -> Result<(), RbtError> + 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: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]  --> src/output.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(RustcEncodable)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/output.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(RustcEncodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/output.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(RustcEncodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/publish.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let reader: Box<io::Read> = match file.as_ref() {
[INFO] [stdout]    |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/main.rs:186:56
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn if_differs(opt:Option<&str>, def:&str, set:&mut FnMut(String) -> ()) {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) -> ()`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/client.rs:108:28
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     if err.description() == "timed out waiting on channel".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "ee3d7e78472e1771def88e5549c71200beea29fab846317efe382e1ed70f0264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3d7e78472e1771def88e5549c71200beea29fab846317efe382e1ed70f0264", kill_on_drop: false }`
[INFO] [stdout] ee3d7e78472e1771def88e5549c71200beea29fab846317efe382e1ed70f0264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e47ededb2aaadbcd75d5dcc21d5eacc79069ba5ab834245612125e5fdbe5960
[INFO] running `Command { std: "docker" "start" "-a" "8e47ededb2aaadbcd75d5dcc21d5eacc79069ba5ab834245612125e5fdbe5960", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/client.rs:19:21
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 19 |     pub reader: Box<io::Read>,
[INFO] [stdout] 
[INFO] [stderr]    |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type ReceiveCb = FnMut(&mut Channel, Deliver, BasicProperties, Vec<u8>) -> Result<(), RbtError> + Send;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Channel, Deliver, BasicProperties, Vec<u8>) -> Result<(), RbtError> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]  --> src/output.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(RustcEncodable)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/output.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(RustcEncodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/output.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(RustcEncodable)]
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/publish.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let reader: Box<io::Read> = match file.as_ref() {
[INFO] [stderr]    |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:186:56
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn if_differs(opt:Option<&str>, def:&str, set:&mut FnMut(String) -> ()) {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:108:28
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     if err.description() == "timed out waiting on channel".to_string() {
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rabbiteer-58f06f82a51f2431)
[INFO] running `Command { std: "docker" "inspect" "8e47ededb2aaadbcd75d5dcc21d5eacc79069ba5ab834245612125e5fdbe5960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e47ededb2aaadbcd75d5dcc21d5eacc79069ba5ab834245612125e5fdbe5960", kill_on_drop: false }`
[INFO] [stdout] 8e47ededb2aaadbcd75d5dcc21d5eacc79069ba5ab834245612125e5fdbe5960
