[INFO] cloning repository https://github.com/matt-williams/tokio-memcache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-williams/tokio-memcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Ftokio-memcache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Ftokio-memcache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c28b50593084a047861f49c9c026aaa67c222c1
[INFO] testing matt-williams/tokio-memcache against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Ftokio-memcache" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-williams/tokio-memcache on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matt-williams/tokio-memcache
[INFO] finished tweaking git repo https://github.com/matt-williams/tokio-memcache
[INFO] tweaked toml for git repo https://github.com/matt-williams/tokio-memcache written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-williams/tokio-memcache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb2661812daa237ee4e3f0067e7c4438fff6ade01d0245238b25d0b758d30115
[INFO] running `Command { std: "docker" "start" "-a" "bb2661812daa237ee4e3f0067e7c4438fff6ade01d0245238b25d0b758d30115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2661812daa237ee4e3f0067e7c4438fff6ade01d0245238b25d0b758d30115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2661812daa237ee4e3f0067e7c4438fff6ade01d0245238b25d0b758d30115", kill_on_drop: false }`
[INFO] [stdout] bb2661812daa237ee4e3f0067e7c4438fff6ade01d0245238b25d0b758d30115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e69a9859b51d0db46808c7da417c467df29f6a5a23482ca0eab425e15a87e4
[INFO] running `Command { std: "docker" "start" "-a" "b3e69a9859b51d0db46808c7da417c467df29f6a5a23482ca0eab425e15a87e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling nom v2.0.1
[INFO] [stderr]    Compiling futures v0.1.9
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling tokio-proto v0.1.0
[INFO] [stderr]    Compiling tokio-memcache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/parse_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:22:63
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Client, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:42:83
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/server.rs:51:83
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:60:83
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:69:83
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:78:83
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:87:83
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:96:83
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:105:83
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:114:83
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:123:83
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:132:83
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:141:83
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:150:83
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:159:83
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.36s
[INFO] running `Command { std: "docker" "inspect" "b3e69a9859b51d0db46808c7da417c467df29f6a5a23482ca0eab425e15a87e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e69a9859b51d0db46808c7da417c467df29f6a5a23482ca0eab425e15a87e4", kill_on_drop: false }`
[INFO] [stdout] b3e69a9859b51d0db46808c7da417c467df29f6a5a23482ca0eab425e15a87e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a06b03c7a537129e9c0b61f4f3ed132e82894e965d1d68dac64b49c757082c2
[INFO] running `Command { std: "docker" "start" "-a" "2a06b03c7a537129e9c0b61f4f3ed132e82894e965d1d68dac64b49c757082c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-memcache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/parse_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:22:63
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Client, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:42:83
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/server.rs:51:83
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:60:83
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:69:83
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:78:83
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:87:83
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:96:83
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:105:83
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:114:83
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:123:83
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:132:83
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:141:83
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:150:83
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:159:83
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/client.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]  --> src/parse_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:22:63
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Client, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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/server.rs:42:83
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/server.rs:51:83
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:60:83
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:69:83
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:78:83
[INFO] [stdout]    |
[INFO] [stdout] 78 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:87:83
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:96:83
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[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/server.rs:105:83
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:114:83
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:123:83
[INFO] [stdout]     |
[INFO] [stdout] 123 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:132:83
[INFO] [stdout]     |
[INFO] [stdout] 132 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:141:83
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:150:83
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[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/server.rs:159:83
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "2a06b03c7a537129e9c0b61f4f3ed132e82894e965d1d68dac64b49c757082c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a06b03c7a537129e9c0b61f4f3ed132e82894e965d1d68dac64b49c757082c2", kill_on_drop: false }`
[INFO] [stdout] 2a06b03c7a537129e9c0b61f4f3ed132e82894e965d1d68dac64b49c757082c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fa0d64ca10499602ea86c7c173a2b9c87e593bbdb5942838c433ab9f7f694d2
[INFO] running `Command { std: "docker" "start" "-a" "0fa0d64ca10499602ea86c7c173a2b9c87e593bbdb5942838c433ab9f7f694d2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 1 test
[INFO] [stderr]  --> src/parse_utils.rs:3:5
[INFO] [stdout] test value::tests::build ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 |     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:22:63
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Client, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:42:83
[INFO] [stderr]    |
[INFO] [stderr] 42 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:51:83
[INFO] [stderr]    |
[INFO] [stderr] 51 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:60:83
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:69:83
[INFO] [stderr]    |
[INFO] [stderr] 69 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:78:83
[INFO] [stderr]    |
[INFO] [stderr] 78 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:87:83
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:96:83
[INFO] [stderr]    |
[INFO] [stderr] 96 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:105:83
[INFO] [stderr]     |
[INFO] [stderr] 105 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:114:83
[INFO] [stderr]     |
[INFO] [stderr] 114 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:123:83
[INFO] [stderr]     |
[INFO] [stderr] 123 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:132:83
[INFO] [stderr]     |
[INFO] [stderr] 132 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:141:83
[INFO] [stderr]     |
[INFO] [stderr] 141 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:150:83
[INFO] [stderr]     |
[INFO] [stderr] 150 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:159:83
[INFO] [stderr]     |
[INFO] [stderr] 159 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]  --> src/parse_utils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:22:63
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Client, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response, Error = io::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/server.rs:42:83
[INFO] [stderr]    |
[INFO] [stderr] 42 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:51:83
[INFO] [stderr]    |
[INFO] [stderr] 51 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:60:83
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:69:83
[INFO] [stderr]    |
[INFO] [stderr] 69 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:78:83
[INFO] [stderr]    |
[INFO] [stderr] 78 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:87:83
[INFO] [stderr]    |
[INFO] [stderr] 87 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:96:83
[INFO] [stderr]    |
[INFO] [stderr] 96 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:105:83
[INFO] [stderr]     |
[INFO] [stderr] 105 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:114:83
[INFO] [stderr]     |
[INFO] [stderr] 114 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:123:83
[INFO] [stderr]     |
[INFO] [stderr] 123 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:132:83
[INFO] [stderr]     |
[INFO] [stderr] 132 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:141:83
[INFO] [stderr]     |
[INFO] [stderr] 141 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:150:83
[INFO] [stderr]     |
[INFO] [stderr] 150 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:159:83
[INFO] [stderr]     |
[INFO] [stderr] 159 | ...                   Err(err) => Ok(Response::ServerError(String::from(err.description()))),
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_memcache-18c026a978d7304a)
[INFO] [stderr]    Doc-tests tokio-memcache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]  --> /opt/rustwide/workdir/src/parse_utils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fa0d64ca10499602ea86c7c173a2b9c87e593bbdb5942838c433ab9f7f694d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa0d64ca10499602ea86c7c173a2b9c87e593bbdb5942838c433ab9f7f694d2", kill_on_drop: false }`
[INFO] [stdout] 0fa0d64ca10499602ea86c7c173a2b9c87e593bbdb5942838c433ab9f7f694d2