[INFO] cloning repository https://github.com/tommyjk/resp-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommyjk/resp-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fresp-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fresp-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84493fa4fda49c95fd65ea5c61340ff69188788a
[INFO] testing tommyjk/resp-serde against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyjk%2Fresp-serde" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tommyjk/resp-serde on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tommyjk/resp-serde
[INFO] finished tweaking git repo https://github.com/tommyjk/resp-serde
[INFO] tweaked toml for git repo https://github.com/tommyjk/resp-serde written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tommyjk/resp-serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c48a0ef5ff10147c1221a36981c68001f3758fe092ca3f3ab0042e46d22743a4
[INFO] running `Command { std: "docker" "start" "-a" "c48a0ef5ff10147c1221a36981c68001f3758fe092ca3f3ab0042e46d22743a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c48a0ef5ff10147c1221a36981c68001f3758fe092ca3f3ab0042e46d22743a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48a0ef5ff10147c1221a36981c68001f3758fe092ca3f3ab0042e46d22743a4", kill_on_drop: false }`
[INFO] [stdout] c48a0ef5ff10147c1221a36981c68001f3758fe092ca3f3ab0042e46d22743a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a57506b2ed281aeadffd716dc991528b3bdf1beca58c144a1c43d111f7a56a
[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" "37a57506b2ed281aeadffd716dc991528b3bdf1beca58c144a1c43d111f7a56a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling resp-serde 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/error.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:310:38
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:353:48
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/de.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_bytes(input: &'de [u8]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_bytes`
[INFO] [stdout]   --> src/de.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn from_bytes<'a, T>(i: &'a [u8]) -> Result<T>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_unsigned`
[INFO] [stdout]   --> src/de.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parse_unsigned<T>(&mut self) -> Result<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ser.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Serializer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/ser.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
[INFO] running `Command { std: "docker" "inspect" "37a57506b2ed281aeadffd716dc991528b3bdf1beca58c144a1c43d111f7a56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a57506b2ed281aeadffd716dc991528b3bdf1beca58c144a1c43d111f7a56a", kill_on_drop: false }`
[INFO] [stdout] 37a57506b2ed281aeadffd716dc991528b3bdf1beca58c144a1c43d111f7a56a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c720f66c615e4e63f00b8a046c9812875ded92ee0489a615078182e3c7a4d8cd
[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" "c720f66c615e4e63f00b8a046c9812875ded92ee0489a615078182e3c7a4d8cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling resp-serde 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/error.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:310:38
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:353:48
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/de.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_bytes(input: &'de [u8]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_bytes`
[INFO] [stdout]   --> src/de.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn from_bytes<'a, T>(i: &'a [u8]) -> Result<T>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_unsigned`
[INFO] [stdout]   --> src/de.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parse_unsigned<T>(&mut self) -> Result<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ser.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Serializer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/ser.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn clear(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:310:38
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de.rs:353:48
[INFO] [stdout]     |
[INFO] [stdout] 353 |     fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_unsigned`
[INFO] [stdout]   --> src/de.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn parse_unsigned<T>(&mut self) -> Result<T>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         b.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         x.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         negative.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         seq.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         seq.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         val.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/ser.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         val.serialize(&mut se);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "c720f66c615e4e63f00b8a046c9812875ded92ee0489a615078182e3c7a4d8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c720f66c615e4e63f00b8a046c9812875ded92ee0489a615078182e3c7a4d8cd", kill_on_drop: false }`
[INFO] [stdout] c720f66c615e4e63f00b8a046c9812875ded92ee0489a615078182e3c7a4d8cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 968e5e43679288b155f0e4fa353b4d97a148a8a395c92c04c10bb9467e8f1966
[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" "968e5e43679288b155f0e4fa353b4d97a148a8a395c92c04c10bb9467e8f1966", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:310:38
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stdout] running 11 tests
[INFO] [stderr]    --> src/de.rs:353:48
[INFO] [stderr]     |
[INFO] [stderr] 353 |     fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_bytes`
[INFO] [stderr]   --> src/de.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn from_bytes(input: &'de [u8]) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_bytes`
[INFO] [stderr]   --> src/de.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn from_bytes<'a, T>(i: &'a [u8]) -> Result<T>
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_unsigned`
[INFO] [stderr]   --> src/de.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parse_unsigned<T>(&mut self) -> Result<T>
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ser.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new() -> Serializer {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/ser.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn clear(&mut self) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:310:38
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]    --> src/de.rs:353:48
[INFO] [stderr]     |
[INFO] [stderr] 353 |     fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
[INFO] [stderr]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_unsigned`
[INFO] [stderr]   --> src/de.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn parse_unsigned<T>(&mut self) -> Result<T>
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:311:9
[INFO] [stderr]     |
[INFO] [stderr] 311 |         b.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |         x.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         negative.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 |         seq.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |         seq.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:375:9
[INFO] [stderr]     |
[INFO] [stderr] 375 |         val.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ser.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         val.serialize(&mut se);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/resp_serde-321e7a5e5f204a2a
[INFO] [stdout] test de::tests::test_bulk_deserialize ... ok
[INFO] [stdout] test de::tests::test_seq_deserialize ... ok
[INFO] [stdout] test de::tests::test_string_deserialize ... ok
[INFO] [stdout] test de::tests::test_int_deserialize ... ok
[INFO] [stdout] test ser::tests::test_bool_serde ... ok
[INFO] [stdout] test ser::tests::test_serialize_seq_some_none ... ok
[INFO] [stdout] test ser::tests::test_int_serdes ... ok
[INFO] [stdout] test ser::tests::test_f32 ... ok
[INFO] [stdout] test ser::tests::test_serialize_int_seq ... ok
[INFO] [stdout] test ser::tests::test_str ... ok
[INFO] [stdout] test ser::tests::test_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests resp-serde
[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" "968e5e43679288b155f0e4fa353b4d97a148a8a395c92c04c10bb9467e8f1966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968e5e43679288b155f0e4fa353b4d97a148a8a395c92c04c10bb9467e8f1966", kill_on_drop: false }`
[INFO] [stdout] 968e5e43679288b155f0e4fa353b4d97a148a8a395c92c04c10bb9467e8f1966