[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Ftokio-memcache" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-williams/tokio-memcache on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-6/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cf576b622371dcdd6c9ae5365e0170b7dbf267c31050c2055e3cc527ef53197
[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" "6cf576b622371dcdd6c9ae5365e0170b7dbf267c31050c2055e3cc527ef53197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf576b622371dcdd6c9ae5365e0170b7dbf267c31050c2055e3cc527ef53197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf576b622371dcdd6c9ae5365e0170b7dbf267c31050c2055e3cc527ef53197", kill_on_drop: false }`
[INFO] [stdout] 6cf576b622371dcdd6c9ae5365e0170b7dbf267c31050c2055e3cc527ef53197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a447a6190de2e48bf15baf49d866b48d5f26048d24cac5b7c7491a91a442460f
[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" "a447a6190de2e48bf15baf49d866b48d5f26048d24cac5b7c7491a91a442460f", kill_on_drop: false }`
[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]   |     ^                          ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 3 -     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout] 3 +     chr >= 0x21 && chr <= 0x7e
[INFO] [stdout]   | 
[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]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stdout] 22 +     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<dyn Future<Item = Client, Error = io::Error>> {
[INFO] [stdout]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout] 36 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout] 33 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[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: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 14.01s
[INFO] running `Command { std: "docker" "inspect" "a447a6190de2e48bf15baf49d866b48d5f26048d24cac5b7c7491a91a442460f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a447a6190de2e48bf15baf49d866b48d5f26048d24cac5b7c7491a91a442460f", kill_on_drop: false }`
[INFO] [stdout] a447a6190de2e48bf15baf49d866b48d5f26048d24cac5b7c7491a91a442460f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e970178d4c6e209eb95b7db353e6206dd0bf7a9a62be28e403ef8badc574201
[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" "4e970178d4c6e209eb95b7db353e6206dd0bf7a9a62be28e403ef8badc574201", kill_on_drop: false }`
[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]   |     ^                          ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 3 -     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout] 3 +     chr >= 0x21 && chr <= 0x7e
[INFO] [stdout]   | 
[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]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stdout] 22 +     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<dyn Future<Item = Client, Error = io::Error>> {
[INFO] [stdout]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout] 36 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout] 33 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[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: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] [stderr]    Compiling tokio-memcache v0.1.0 (/opt/rustwide/workdir)
[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]   |     ^                          ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 3 -     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stdout] 3 +     chr >= 0x21 && chr <= 0x7e
[INFO] [stdout]   | 
[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]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stdout] 22 +     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<dyn Future<Item = Client, Error = io::Error>> {
[INFO] [stdout]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout] 36 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[INFO] [stdout]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stdout] 33 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[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: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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "4e970178d4c6e209eb95b7db353e6206dd0bf7a9a62be28e403ef8badc574201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e970178d4c6e209eb95b7db353e6206dd0bf7a9a62be28e403ef8badc574201", kill_on_drop: false }`
[INFO] [stdout] 4e970178d4c6e209eb95b7db353e6206dd0bf7a9a62be28e403ef8badc574201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 749398221f2d6f51c5962a41fe8475d72a6c1cdabd3fe660776fe77474b0f540
[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" "749398221f2d6f51c5962a41fe8475d72a6c1cdabd3fe660776fe77474b0f540", kill_on_drop: false }`
[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]   |     ^                          ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 3 -     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stderr] 3 +     chr >= 0x21 && chr <= 0x7e
[INFO] [stderr]   | 
[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]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 -     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<Future<Item = Client, Error = io::Error>> {
[INFO] [stderr] 22 +     pub fn connect(addr: &SocketAddr, handle: &Handle) -> Box<dyn Future<Item = Client, Error = io::Error>> {
[INFO] [stderr]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 36 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stderr] 36 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[INFO] [stderr]    | 
[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]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 -     type Future = Box<Future<Item = Response, Error = io::Error>>;
[INFO] [stderr] 33 +     type Future = Box<dyn Future<Item = Response, Error = io::Error>>;
[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: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: `tokio-memcache` (lib) generated 18 warnings
[INFO] [stderr] warning: `tokio-memcache` (lib test) generated 18 warnings (18 duplicates)
[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: 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: `tokio-memcache` (example "server") generated 1 warning
[INFO] [stderr] warning: `tokio-memcache` (example "client") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_memcache-0fc6167160953a83)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tokio-memcache
[INFO] [stdout] test value::tests::build ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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]   |     ^                          ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 3 -     (chr >= 0x21 && chr <= 0x7e)
[INFO] [stderr] 3 +     chr >= 0x21 && chr <= 0x7e
[INFO] [stderr]   | 
[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" "749398221f2d6f51c5962a41fe8475d72a6c1cdabd3fe660776fe77474b0f540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749398221f2d6f51c5962a41fe8475d72a6c1cdabd3fe660776fe77474b0f540", kill_on_drop: false }`
[INFO] [stdout] 749398221f2d6f51c5962a41fe8475d72a6c1cdabd3fe660776fe77474b0f540