[INFO] fetching crate dbus-serialize 0.1.2...
[INFO] checking dbus-serialize-0.1.2 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate dbus-serialize 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dbus-serialize 0.1.2 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbus-serialize 0.1.2
[INFO] finished tweaking crates.io crate dbus-serialize 0.1.2
[INFO] tweaked toml for crates.io crate dbus-serialize 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6326217654f0dedca9c8a8f303f8e618d53fc02e63b8c7780ef0cbf30ddcda50
[INFO] running `Command { std: "docker" "start" "-a" "6326217654f0dedca9c8a8f303f8e618d53fc02e63b8c7780ef0cbf30ddcda50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6326217654f0dedca9c8a8f303f8e618d53fc02e63b8c7780ef0cbf30ddcda50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6326217654f0dedca9c8a8f303f8e618d53fc02e63b8c7780ef0cbf30ddcda50", kill_on_drop: false }`
[INFO] [stdout] 6326217654f0dedca9c8a8f303f8e618d53fc02e63b8c7780ef0cbf30ddcda50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f58fa62e7a3bd575e64d234076d374f4ff07f9b35b4c02988308979a46e38a8e
[INFO] running `Command { std: "docker" "start" "-a" "f58fa62e7a3bd575e64d234076d374f4ff07f9b35b4c02988308979a46e38a8e", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking dbus-serialize v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let x = try!(DBusDecoder::get_unsigned_int(basic_val));
[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/decoder.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let x = try!(DBusDecoder::get_signed_int(basic_val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let x = try!(DBusDecoder::get_unsigned_int(basic_val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let val = 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/decoder.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |         Ok(try!(DBusDecoder::read_unsigned_int(&self.value, std::u32::MAX as usize)) as u32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Ok(try!(DBusDecoder::read_unsigned_int(&self.value, std::u16::MAX as usize)) as u16)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |         Ok(try!(DBusDecoder::read_unsigned_int(&self.value, std::u8::MAX as usize)) as u8)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let x = try!(DBusDecoder::get_signed_int(basic_val));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let val = try!(self.read_isize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |         Ok(try!(DBusDecoder::read_signed_int(&self.value, std::i32::MAX as isize, std::i32::MIN as isize)) as i32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |         Ok(try!(DBusDecoder::read_signed_int(&self.value, std::i16::MAX as isize, std::i16::MIN as isize)) as i16)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Ok(try!(DBusDecoder::read_signed_int(&self.value, std::i8::MAX as isize, std::i8::MIN as isize)) as i8)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let val = try!(self.read_u8());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoder.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(obj.encode(&mut encoder));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let x = try!(DBusDecoder::get_unsigned_int(basic_val));
[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/decoder.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let x = try!(DBusDecoder::get_signed_int(basic_val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:94:10
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let x = try!(DBusDecoder::get_unsigned_int(basic_val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let val = 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/decoder.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |         Ok(try!(DBusDecoder::read_unsigned_int(&self.value, std::u32::MAX as usize)) as u32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Ok(try!(DBusDecoder::read_unsigned_int(&self.value, std::u16::MAX as usize)) as u16)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |         Ok(try!(DBusDecoder::read_unsigned_int(&self.value, std::u8::MAX as usize)) as u8)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let x = try!(DBusDecoder::get_signed_int(basic_val));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let val = try!(self.read_isize());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |         Ok(try!(DBusDecoder::read_signed_int(&self.value, std::i32::MAX as isize, std::i32::MIN as isize)) as i32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |         Ok(try!(DBusDecoder::read_signed_int(&self.value, std::i16::MAX as isize, std::i16::MIN as isize)) as i16)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Ok(try!(DBusDecoder::read_signed_int(&self.value, std::i8::MAX as isize, std::i8::MIN as isize)) as i8)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let val = try!(self.read_u8());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:326:27
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let foo = try!(s.read_struct_field("foo", 0, |s: &mut S| {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:329:27
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 let bar = try!(s.read_struct_field("bar", 1, |s: &mut S| {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |                 let baz = try!(s.read_struct_field("baz", 2, |s: &mut S| {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoder.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(obj.encode(&mut encoder));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |         try!(f(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:350:17
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 try!(s.emit_struct_field("a", 0, |s| {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 try!(s.emit_struct_field("b", 1, |s| {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:379:17
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 try!(s.emit_struct_field("x", 0, |s| {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 try!(s.emit_struct_field("y", 1, |s| {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:385:17
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 try!(s.emit_struct_field("z", 2, |s| {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "f58fa62e7a3bd575e64d234076d374f4ff07f9b35b4c02988308979a46e38a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58fa62e7a3bd575e64d234076d374f4ff07f9b35b4c02988308979a46e38a8e", kill_on_drop: false }`
[INFO] [stdout] f58fa62e7a3bd575e64d234076d374f4ff07f9b35b4c02988308979a46e38a8e
