[INFO] fetching crate rmp-serialize 0.8.1...
[INFO] testing rmp-serialize-0.8.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate rmp-serialize 0.8.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rmp-serialize 0.8.1
[INFO] finished tweaking crates.io crate rmp-serialize 0.8.1
[INFO] tweaked toml for crates.io crate rmp-serialize 0.8.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmp-serialize 0.8.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded rmp v0.8.14
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19be34eac98edc5d15de8c3ac37982a58551e76456f5147bf4675e0af00338cc
[INFO] running `Command { std: "docker" "start" "-a" "19be34eac98edc5d15de8c3ac37982a58551e76456f5147bf4675e0af00338cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19be34eac98edc5d15de8c3ac37982a58551e76456f5147bf4675e0af00338cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19be34eac98edc5d15de8c3ac37982a58551e76456f5147bf4675e0af00338cc", kill_on_drop: false }`
[INFO] [stdout] 19be34eac98edc5d15de8c3ac37982a58551e76456f5147bf4675e0af00338cc
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bdc88ef235f061ad4693fcd9527c143a9e9b313cdc99ec6054586fb1a3e69935
[INFO] running `Command { std: "docker" "start" "-a" "bdc88ef235f061ad4693fcd9527c143a9e9b313cdc99ec6054586fb1a3e69935", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rmp-serialize v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(try!(read_nil(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Ok(try!(read_bool(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |         Ok(try!(read_f32(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Ok(try!(read_f64(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut res = try!(self.read_str());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(self.rd.read_exact(&mut buf).map_err(|err| Error::InvalidDataRead(err)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let len = try!(read_str_len(&mut self.rd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:199:19
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let len = try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:210:18
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let id = try!(self.read_usize());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |             try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:254:22
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let actual = try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:296:19
[INFO] [stdout]     |
[INFO] [stdout] 296 |         let len = try!(read_array_len(&mut self.rd)) as usize;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:310:19
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let len = try!(read_map_len(&mut self.rd)) as usize;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         try!(write_uint(&mut self.wr, val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         try!(write_sint(&mut self.wr, val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         try!(write_array_len(&mut self.wr, 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(self.emit_usize(id));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(write_map_len(&mut self.wr, len as u32));
[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/decode.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     wr: &'a mut Write,
[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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     wr: &'a mut dyn Write,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decode.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut Write) -> Encoder<'a> {
[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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut dyn Write) -> Encoder<'a> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "bdc88ef235f061ad4693fcd9527c143a9e9b313cdc99ec6054586fb1a3e69935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc88ef235f061ad4693fcd9527c143a9e9b313cdc99ec6054586fb1a3e69935", kill_on_drop: false }`
[INFO] [stdout] bdc88ef235f061ad4693fcd9527c143a9e9b313cdc99ec6054586fb1a3e69935
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a9cc41c0e26dece5f9655a9ca0655d9c5f5bdbfdb0b279be6b8ea1ac10751c3e
[INFO] running `Command { std: "docker" "start" "-a" "a9cc41c0e26dece5f9655a9ca0655d9c5f5bdbfdb0b279be6b8ea1ac10751c3e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(try!(read_nil(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Ok(try!(read_bool(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rmp-serialize v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |         Ok(try!(read_f32(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Ok(try!(read_f64(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut res = try!(self.read_str());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(self.rd.read_exact(&mut buf).map_err(|err| Error::InvalidDataRead(err)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let len = try!(read_str_len(&mut self.rd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:199:19
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let len = try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:210:18
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let id = try!(self.read_usize());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |             try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:254:22
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let actual = try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:296:19
[INFO] [stdout]     |
[INFO] [stdout] 296 |         let len = try!(read_array_len(&mut self.rd)) as usize;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:310:19
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let len = try!(read_map_len(&mut self.rd)) as usize;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         try!(write_uint(&mut self.wr, val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         try!(write_sint(&mut self.wr, val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         try!(write_array_len(&mut self.wr, 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(self.emit_usize(id));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(write_map_len(&mut self.wr, len as u32));
[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/decode.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     wr: &'a mut Write,
[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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     wr: &'a mut dyn Write,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decode.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut Write) -> Encoder<'a> {
[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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut dyn Write) -> Encoder<'a> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(try!(read_nil(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |         Ok(try!(read_bool(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |         Ok(try!(read_int(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |         Ok(try!(read_f32(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Ok(try!(read_f64(&mut self.rd)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let mut res = try!(self.read_str());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(self.rd.read_exact(&mut buf).map_err(|err| Error::InvalidDataRead(err)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let len = try!(read_str_len(&mut self.rd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:199:19
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let len = try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:210:18
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let id = try!(self.read_usize());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |             try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:254:22
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let actual = try!(read_array_len(&mut self.rd));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:296:19
[INFO] [stdout]     |
[INFO] [stdout] 296 |         let len = try!(read_array_len(&mut self.rd)) as usize;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:310:19
[INFO] [stdout]     |
[INFO] [stdout] 310 |         let len = try!(read_map_len(&mut self.rd)) as usize;
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         try!(write_uint(&mut self.wr, val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         try!(write_sint(&mut self.wr, val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         try!(write_array_len(&mut self.wr, 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(self.emit_usize(id));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(write_array_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(write_map_len(&mut self.wr, len as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> tests/encoder.rs:187:14
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[derive(RustcEncodable)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> tests/encoder.rs:262:32
[INFO] [stdout]     |
[INFO] [stdout] 262 |     #[derive(Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> tests/encoder.rs:280:32
[INFO] [stdout]     |
[INFO] [stdout] 280 |     #[derive(Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcEncodable` in this scope
[INFO] [stdout]    --> tests/encoder.rs:308:32
[INFO] [stdout]     |
[INFO] [stdout] 308 |     #[derive(Debug, PartialEq, RustcEncodable)]
[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/decode.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     wr: &'a mut Write,
[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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     wr: &'a mut dyn Write,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decode.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut Write) -> Encoder<'a> {
[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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut dyn Write) -> Encoder<'a> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for struct `Decoded` in the current scope
[INFO] [stdout]    --> tests/encoder.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     struct Decoded { id: u32, value: u32 }
[INFO] [stdout]     |     -------------- method `encode` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 191 |     val.encode(&mut Encoder::new(&mut &mut buf[..])).ok().unwrap();
[INFO] [stdout]     |         ^^^^^^ method not found in `Decoded`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `encode`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Encodable`
[INFO] [stdout] help: some of the expressions' fields have a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 191 |     val.id.encode(&mut Encoder::new(&mut &mut buf[..])).ok().unwrap();
[INFO] [stdout]     |         +++
[INFO] [stdout] 191 |     val.value.encode(&mut Encoder::new(&mut &mut buf[..])).ok().unwrap();
[INFO] [stdout]     |         ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for enum `pass_enum::Custom` in the current scope
[INFO] [stdout]    --> tests/encoder.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     enum Custom {
[INFO] [stdout]     |     ----------- method `encode` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 271 |     val.encode(&mut Encoder::new(&mut &mut buf[..])).ok().unwrap();
[INFO] [stdout]     |         ^^^^^^ method not found in `pass_enum::Custom`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `encode`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Encodable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for enum `pass_enum_variant_with_arg::Custom` in the current scope
[INFO] [stdout]    --> tests/encoder.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     enum Custom {
[INFO] [stdout]     |     ----------- method `encode` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 289 |     val.encode(&mut Encoder::new(&mut &mut buf[..])).ok().unwrap();
[INFO] [stdout]     |         ^^^^^^ method not found in `pass_enum_variant_with_arg::Custom`
[INFO] [stdout]     |
[INFO] [stdout] note: the method `encode` exists on the type `u32`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.25/src/serialize.rs:853:5
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `encode`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Encodable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for struct `encode_struct_with_string_using_vec::Custom` in the current scope
[INFO] [stdout]    --> tests/encoder.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |     struct Custom {
[INFO] [stdout]     |     ------------- method `encode` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 316 |     val.encode(&mut Encoder::new(&mut buf)).ok().unwrap();
[INFO] [stdout]     |         ^^^^^^ method not found in `encode_struct_with_string_using_vec::Custom`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `encode`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Encodable`
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 316 |     val.data.encode(&mut Encoder::new(&mut buf)).ok().unwrap();
[INFO] [stdout]     |         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmp-serialize` (test "encoder") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a9cc41c0e26dece5f9655a9ca0655d9c5f5bdbfdb0b279be6b8ea1ac10751c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cc41c0e26dece5f9655a9ca0655d9c5f5bdbfdb0b279be6b8ea1ac10751c3e", kill_on_drop: false }`
[INFO] [stdout] a9cc41c0e26dece5f9655a9ca0655d9c5f5bdbfdb0b279be6b8ea1ac10751c3e