[INFO] fetching crate rmp-serialize 0.8.1...
[INFO] checking rmp-serialize-0.8.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rmp-serialize 0.8.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rmp-serialize 0.8.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247db3df5efe32be343809ab4fa0dca1ad3d081be1ca7b2a796915f71e54aad2
[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" "247db3df5efe32be343809ab4fa0dca1ad3d081be1ca7b2a796915f71e54aad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247db3df5efe32be343809ab4fa0dca1ad3d081be1ca7b2a796915f71e54aad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247db3df5efe32be343809ab4fa0dca1ad3d081be1ca7b2a796915f71e54aad2", kill_on_drop: false }`
[INFO] [stdout] 247db3df5efe32be343809ab4fa0dca1ad3d081be1ca7b2a796915f71e54aad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39bfa655d76ee0930cc614a07af607b72d301c47884a95311effce8a437159a5
[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" "39bfa655d76ee0930cc614a07af607b72d301c47884a95311effce8a437159a5", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking rmp-serialize v0.8.1 (/opt/rustwide/workdir)
[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]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: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: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: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: 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]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut Write) -> Encoder<'a> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated 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 associated function `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/decode.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: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: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: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: 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]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(wr: &'a mut Write) -> Encoder<'a> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated 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 associated function `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: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> tests/encoder.rs:187:14
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[derive(RustcEncodable)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> tests/encoder.rs:262:32
[INFO] [stdout]     |
[INFO] [stdout] 262 |     #[derive(Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> tests/encoder.rs:280:32
[INFO] [stdout]     |
[INFO] [stdout] 280 |     #[derive(Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "39bfa655d76ee0930cc614a07af607b72d301c47884a95311effce8a437159a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bfa655d76ee0930cc614a07af607b72d301c47884a95311effce8a437159a5", kill_on_drop: false }`
[INFO] [stdout] 39bfa655d76ee0930cc614a07af607b72d301c47884a95311effce8a437159a5