[INFO] fetching crate serde-bench 0.0.7...
[INFO] testing serde-bench-0.0.7 against 1.45.2 for beta-1.46-1
[INFO] extracting crate serde-bench 0.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde-bench 0.0.7 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-bench 0.0.7
[INFO] finished tweaking crates.io crate serde-bench 0.0.7
[INFO] tweaked toml for crates.io crate serde-bench 0.0.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85b4f6924b2fae445aa588eccdd669dd1fcbaa04cac67ab161004705e8fc60f8
[INFO] running `Command { std: "docker" "start" "-a" "85b4f6924b2fae445aa588eccdd669dd1fcbaa04cac67ab161004705e8fc60f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85b4f6924b2fae445aa588eccdd669dd1fcbaa04cac67ab161004705e8fc60f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b4f6924b2fae445aa588eccdd669dd1fcbaa04cac67ab161004705e8fc60f8", kill_on_drop: false }`
[INFO] [stdout] 85b4f6924b2fae445aa588eccdd669dd1fcbaa04cac67ab161004705e8fc60f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4ec6a81e7ff126d9131b98a6d589a61acf1e72be71453c97fe07859c1c6faf
[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" "6c4ec6a81e7ff126d9131b98a6d589a61acf1e72be71453c97fe07859c1c6faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde-bench v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         try!(self.writer.write_u8(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |         str::from_utf8(try!(self.read_slice())).map_err(Into::into)
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |         match try!(self.bytes.read_u8()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |         visitor.visit_u8(try!(self.bytes.read_u8()))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |         visitor.visit_i8(try!(self.bytes.read_i8()))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:117:36
[INFO] [stdout]     |
[INFO] [stdout] 117 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:138:38
[INFO] [stdout]     |
[INFO] [stdout] 138 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |         match try!(self.bytes.read_u8()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:195:19
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:235:19
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:312:21
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let index = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:314:21
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let value = try!(seed.deserialize(deserializer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `Command { std: "docker" "inspect" "6c4ec6a81e7ff126d9131b98a6d589a61acf1e72be71453c97fe07859c1c6faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4ec6a81e7ff126d9131b98a6d589a61acf1e72be71453c97fe07859c1c6faf", kill_on_drop: false }`
[INFO] [stdout] 6c4ec6a81e7ff126d9131b98a6d589a61acf1e72be71453c97fe07859c1c6faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7885ab6166e5b26cf88625f42d6b29b1d52303c5d9f04916be5a22518a894793
[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" "7885ab6166e5b26cf88625f42d6b29b1d52303c5d9f04916be5a22518a894793", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         try!(self.writer.write_u8(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |         str::from_utf8(try!(self.read_slice())).map_err(Into::into)
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |         match try!(self.bytes.read_u8()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |         visitor.visit_u8(try!(self.bytes.read_u8()))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |         visitor.visit_i8(try!(self.bytes.read_i8()))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:117:36
[INFO] [stdout]     |
[INFO] [stdout] 117 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:138:38
[INFO] [stdout]     |
[INFO] [stdout] 138 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |         match try!(self.bytes.read_u8()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:195:19
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:235:19
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:312:21
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let index = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:314:21
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let value = try!(seed.deserialize(deserializer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling serde-bench v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         try!(self.writer.write_u8(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         try!(self.serialize_u32(variant_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |         str::from_utf8(try!(self.read_slice())).map_err(Into::into)
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |         match try!(self.bytes.read_u8()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |         visitor.visit_u8(try!(self.bytes.read_u8()))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:82:26
[INFO] [stdout]    |
[INFO] [stdout] 82 |         visitor.visit_i8(try!(self.bytes.read_i8()))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:117:36
[INFO] [stdout]     |
[INFO] [stdout] 117 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:131:38
[INFO] [stdout]     |
[INFO] [stdout] 131 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:138:38
[INFO] [stdout]     |
[INFO] [stdout] 138 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |         match try!(self.bytes.read_u8()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:195:19
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:235:19
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:312:21
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let index = try!(Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:314:21
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let value = try!(seed.deserialize(deserializer));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.07s
[INFO] running `Command { std: "docker" "inspect" "7885ab6166e5b26cf88625f42d6b29b1d52303c5d9f04916be5a22518a894793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7885ab6166e5b26cf88625f42d6b29b1d52303c5d9f04916be5a22518a894793", kill_on_drop: false }`
[INFO] [stdout] 7885ab6166e5b26cf88625f42d6b29b1d52303c5d9f04916be5a22518a894793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7f7895a289f65c898e9eddd4cd4cd2f205663870e54bc2fbcb733c93baa8973
[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" "e7f7895a289f65c898e9eddd4cd4cd2f205663870e54bc2fbcb733c93baa8973", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/ser.rs:101:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 101 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout] 
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(self.writer.write_u8(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.serialize_u64(len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.serialize_u32(variant_index));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(self.serialize_u64(len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.serialize_u32(variant_index));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         try!(self.serialize_u32(variant_index));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |         str::from_utf8(try!(self.read_slice())).map_err(Into::into)
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |         match try!(self.bytes.read_u8()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |         visitor.visit_u8(try!(self.bytes.read_u8()))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |         visitor.visit_i8(try!(self.bytes.read_i8()))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:117:36
[INFO] [stderr]     |
[INFO] [stderr] 117 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:131:38
[INFO] [stderr]     |
[INFO] [stderr] 131 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:138:38
[INFO] [stderr]     |
[INFO] [stderr] 138 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:163:15
[INFO] [stderr]     |
[INFO] [stderr] 163 |         match try!(self.bytes.read_u8()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:195:19
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:235:19
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |         let index = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let value = try!(seed.deserialize(deserializer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(self.writer.write_u8(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.serialize_u64(len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.serialize_u32(variant_index));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(self.serialize_u64(len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.serialize_u32(variant_index));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         try!(self.serialize_u32(variant_index));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:26:24
[INFO] [stderr]    |
[INFO] [stderr] 26 |         str::from_utf8(try!(self.read_slice())).map_err(Into::into)
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |         match try!(self.bytes.read_u8()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let value = try!(self.bytes.$reader_method::<NetworkEndian>());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stderr]    |     ------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |         visitor.visit_u8(try!(self.bytes.read_u8()))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |         visitor.visit_i8(try!(self.bytes.read_i8()))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:117:36
[INFO] [stderr]     |
[INFO] [stderr] 117 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |         visitor.visit_borrowed_str(try!(self.read_str()))
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:131:38
[INFO] [stderr]     |
[INFO] [stderr] 131 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:138:38
[INFO] [stderr]     |
[INFO] [stderr] 138 |         visitor.visit_borrowed_bytes(try!(self.read_slice()))
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:163:15
[INFO] [stderr]     |
[INFO] [stderr] 163 |         match try!(self.bytes.read_u8()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:195:19
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:235:19
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let len = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 |         let index = try!(Deserialize::deserialize(&mut *self));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let value = try!(seed.deserialize(deserializer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_bench-1b2d5189d5d5fc88
[INFO] [stderr]    Doc-tests serde-bench
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7f7895a289f65c898e9eddd4cd4cd2f205663870e54bc2fbcb733c93baa8973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f7895a289f65c898e9eddd4cd4cd2f205663870e54bc2fbcb733c93baa8973", kill_on_drop: false }`
[INFO] [stdout] e7f7895a289f65c898e9eddd4cd4cd2f205663870e54bc2fbcb733c93baa8973