[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] checking matt-williams/tokio-memcache against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Ftokio-memcache" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-williams/tokio-memcache on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures v0.1.9
[INFO] [stderr]   Downloaded smallvec v0.2.1
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[INFO] [stderr]   Downloaded rand v0.3.15
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[INFO] [stderr]   Downloaded tokio-core v0.1.4
[INFO] [stderr]   Downloaded tokio-proto v0.1.0
[INFO] [stderr]   Downloaded miow v0.2.0
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded mio v0.6.4
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded winapi-build v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e4d253fb3b0486d659145caa8f069c1f1fca3b77940b848313aa51b3d717872
[INFO] running `Command { std: "docker" "start" "-a" "0e4d253fb3b0486d659145caa8f069c1f1fca3b77940b848313aa51b3d717872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e4d253fb3b0486d659145caa8f069c1f1fca3b77940b848313aa51b3d717872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4d253fb3b0486d659145caa8f069c1f1fca3b77940b848313aa51b3d717872", kill_on_drop: false }`
[INFO] [stdout] 0e4d253fb3b0486d659145caa8f069c1f1fca3b77940b848313aa51b3d717872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 429e5e8711e59606881662241efa31b33e39703ea3d4b992fc41231b944114aa
[INFO] running `Command { std: "docker" "start" "-a" "429e5e8711e59606881662241efa31b33e39703ea3d4b992fc41231b944114aa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking nom v2.0.1
[INFO] [stderr]     Checking futures v0.1.9
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking 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: unused import: `value::Value`
[INFO] [stdout]   --> src/server.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use value::Value;
[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: unused import: `value::Value`
[INFO] [stdout]   --> src/server.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use value::Value;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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]    = 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     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/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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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]    = 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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: use of deprecated method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "429e5e8711e59606881662241efa31b33e39703ea3d4b992fc41231b944114aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429e5e8711e59606881662241efa31b33e39703ea3d4b992fc41231b944114aa", kill_on_drop: false }`
[INFO] [stdout] 429e5e8711e59606881662241efa31b33e39703ea3d4b992fc41231b944114aa
[INFO] checking matt-williams/tokio-memcache against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Ftokio-memcache" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-williams/tokio-memcache on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-4-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fcba88a46b6ee4bd7196f0fd300583ed4c18f188f88104cb17dc015aacbbe92
[INFO] running `Command { std: "docker" "start" "-a" "5fcba88a46b6ee4bd7196f0fd300583ed4c18f188f88104cb17dc015aacbbe92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fcba88a46b6ee4bd7196f0fd300583ed4c18f188f88104cb17dc015aacbbe92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcba88a46b6ee4bd7196f0fd300583ed4c18f188f88104cb17dc015aacbbe92", kill_on_drop: false }`
[INFO] [stdout] 5fcba88a46b6ee4bd7196f0fd300583ed4c18f188f88104cb17dc015aacbbe92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c462a2fcb53b95381f067da8c57e6c515db8397d48ed4e15bf5de92def609f15
[INFO] running `Command { std: "docker" "start" "-a" "c462a2fcb53b95381f067da8c57e6c515db8397d48ed4e15bf5de92def609f15", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking nom v2.0.1
[INFO] [stderr]     Checking futures v0.1.9
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking 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: unused import: `value::Value`
[INFO] [stdout]   --> src/server.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use value::Value;
[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: unused import: `value::Value`
[INFO] [stdout]   --> src/server.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use value::Value;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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]    = 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     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/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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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]    = 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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/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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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: use of deprecated method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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 method `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: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c462a2fcb53b95381f067da8c57e6c515db8397d48ed4e15bf5de92def609f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c462a2fcb53b95381f067da8c57e6c515db8397d48ed4e15bf5de92def609f15", kill_on_drop: false }`
[INFO] [stdout] c462a2fcb53b95381f067da8c57e6c515db8397d48ed4e15bf5de92def609f15