[INFO] crate cbor 0.4.1 is already in cache
[INFO] checking cbor-0.4.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate cbor 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cbor 0.4.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cbor 0.4.1
[INFO] finished tweaking crates.io crate cbor 0.4.1
[INFO] tweaked toml for crates.io crate cbor 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20d98914c3d7443d29a20b077b97ba4c08452b38ba0b1ca2d6402a6bea81a0f0
[INFO] running `"docker" "start" "-a" "20d98914c3d7443d29a20b077b97ba4c08452b38ba0b1ca2d6402a6bea81a0f0"`
[INFO] [stderr]     Checking cbor v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             None => try!(self.rdr.read_u8()),
[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/decoder.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:159:25
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let n = try!(self.rdr.read_u16::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:162:38
[INFO] [stderr]     |
[INFO] [stderr] 162 |             26 => CborFloat::Float32(try!(self.rdr.read_f32::<BigEndian>())),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:163:38
[INFO] [stderr]     |
[INFO] [stderr] 163 |             27 => CborFloat::Float64(try!(self.rdr.read_f64::<BigEndian>())),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let tag = try!(tag.to_u64().map_err(|err| self.errat(err)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let data = try!(self.read_data_item(None));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let len = try!(self.read_len(first));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:217:27
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let val = try!(self.read_data_item(None));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:267:23
[INFO] [stderr]     |
[INFO] [stderr] 267 |             let len = try!(self.read_len(first));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 |             try!(self.rdr.read_full(&mut buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:293:23
[INFO] [stderr]     |
[INFO] [stderr] 293 |             let len = try!(self.read_len(first));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             try!(self.rdr.read_full(&mut buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:308:39
[INFO] [stderr]     |
[INFO] [stderr] 308 |             24 => CborUnsigned::UInt8(try!(self.rdr.read_u8())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:309:40
[INFO] [stderr]     |
[INFO] [stderr] 309 |             25 => CborUnsigned::UInt16(try!(self.rdr.read_u16::<BigEndian>())),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:310:40
[INFO] [stderr]     |
[INFO] [stderr] 310 |             26 => CborUnsigned::UInt32(try!(self.rdr.read_u32::<BigEndian>())),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:311:40
[INFO] [stderr]     |
[INFO] [stderr] 311 |             27 => CborUnsigned::UInt64(try!(self.rdr.read_u64::<BigEndian>())),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:321:25
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 let n = try!(self.rdr.read_u8());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:329:25
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 let n = try!(self.rdr.read_u16::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:337:25
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 let n = try!(self.rdr.read_u32::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:345:25
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 let n = try!(self.rdr.read_u64::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |         let n = try!(self.rdr.read(buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:448:19
[INFO] [stderr]     |
[INFO] [stderr] 448 |             match try!(self.read(&mut buf[nread..])) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(v.encode(self))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(self.write_num(3, v.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:268:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |         try!(self.write_num(5, 2));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.emit_str("variant"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         try!(self.emit_str(v_name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(self.emit_str("fields"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:272:9
[INFO] [stderr]     |
[INFO] [stderr] 272 |         try!(self.write_num(4, len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |             try!(self.write_num(5, len as u64));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:341:17
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 try!(self.emit_str(f_name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:397:13
[INFO] [stderr]     |
[INFO] [stderr] 397 |             try!(self.write_num(2, len as u64));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |         try!(self.write_num(4, len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:415:9
[INFO] [stderr]     |
[INFO] [stderr] 415 |         try!(self.write_num(5, len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder.rs:97:15
[INFO] [stderr]    |
[INFO] [stderr] 97 |         match try!(self.pop(Type::Null)) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 104 |         read_unsigned!(self, Type::UInt, to_usize)
[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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |         read_unsigned!(self, Type::UInt64, to_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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |         read_unsigned!(self, Type::UInt32, to_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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |         read_unsigned!(self, Type::UInt16, to_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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 120 |         read_unsigned!(self, Type::UInt8, to_u8)
[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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 124 |         read_signed!(self, isize, Type::Int, to_isize, to_usize)
[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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 |         read_signed!(self, i64, Type::Int64, to_i64, to_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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 |         read_signed!(self, i32, Type::Int32, to_i32, to_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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 136 |         read_signed!(self, i16, Type::Int16, to_i16, to_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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 140 |         read_signed!(self, i8, Type::Int8, to_i8, to_u8)
[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/rustc_decoder.rs:144:15
[INFO] [stderr]     |
[INFO] [stderr] 144 |         match try!(self.pop(Type::Bool)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:77:17
[INFO] [stderr]     |
[INFO] [stderr] 77  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |         read_float!(self, f64, Type::Float64, to_f64, to_i64, to_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/rustc_decoder.rs:77:17
[INFO] [stderr]     |
[INFO] [stderr] 77  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 155 |         read_float!(self, f32, Type::Float32, to_f32, to_i32, to_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/rustc_decoder.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let n = try!(self.read_u32());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:193:26
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let name = match try!(self.pop_expect("Unicode or variant map")) {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:263:19
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let val = try!(f(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 |         let mut map = match try!(self.pop(Type::Map)) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:291:50
[INFO] [stderr]     |
[INFO] [stderr] 291 |             Some(val) => { self.stack.push(val); try!(f(self)) }
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:311:27
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:366:15
[INFO] [stderr]     |
[INFO] [stderr] 366 |         match try!(self.pop(Type::Any)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:374:27
[INFO] [stderr]     |
[INFO] [stderr] 374 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:390:25
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let map = match try!(self.pop(Type::Map)) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |             None => try!(self.rdr.read_u8()),
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:91:18
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 (try!(self.rdr.read_u16::<BigEndian>()) as f64, 16)
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |             (7, 26) => (try!(self.rdr.read_f32::<BigEndian>()) as f64, 32),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |             (7, 27) => (try!(self.rdr.read_f64::<BigEndian>()), 64),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |             None => try!(self.rdr.read_u8()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:117:24
[INFO] [stderr]     |
[INFO] [stderr] 117 |             (1, 24) => try!(self.rdr.read_u8()) as i64,
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 |             (1, 25) => try!(self.rdr.read_i16::<BigEndian>()) as i64,
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |             (1, 26) => try!(self.rdr.read_i32::<BigEndian>()) as i64,
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |             (1, 27) => try!(self.rdr.read_i64::<BigEndian>()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |             None => try!(self.rdr.read_u8()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:154:25
[INFO] [stderr]     |
[INFO] [stderr] 154 |             (0, 24) => (try!(self.rdr.read_u8()) as u64, 8),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |             (0, 25) => (try!(self.rdr.read_u16::<BigEndian>()) as u64, 16),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |             (0, 26) => (try!(self.rdr.read_u32::<BigEndian>()) as u64, 32),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |             (0, 27) => (try!(self.rdr.read_u64::<BigEndian>()), 64),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:188:12
[INFO] [stderr]     |
[INFO] [stderr] 188 |         Ok(try!(self.read_uint(None, 64)) as usize)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:196:12
[INFO] [stderr]     |
[INFO] [stderr] 196 |         Ok(try!(self.read_uint(None, 32)) as u32)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:200:12
[INFO] [stderr]     |
[INFO] [stderr] 200 |         Ok(try!(self.read_uint(None, 16)) as u16)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:204:12
[INFO] [stderr]     |
[INFO] [stderr] 204 |         Ok(try!(self.read_uint(None, 8)) as u8)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:209:12
[INFO] [stderr]     |
[INFO] [stderr] 209 |         Ok(try!(self.read_int(None, 64)) as isize)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:217:12
[INFO] [stderr]     |
[INFO] [stderr] 217 |         Ok(try!(self.read_int(None, 32)) as i32)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:221:12
[INFO] [stderr]     |
[INFO] [stderr] 221 |         Ok(try!(self.read_int(None, 16)) as i16)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:225:12
[INFO] [stderr]     |
[INFO] [stderr] 225 |         Ok(try!(self.read_int(None, 8)) as i8)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |         Ok(try!(self.read_float(None, 64)) as f32)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let n = try!(self.read_uint(None, 32)) as u32;
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let b = try!(self.read_type(Type::Unicode));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         try!(self.rdr.read_full(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |         let b = try!(self.read_type(Type::Array));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:332:23
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let got_len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:371:17
[INFO] [stderr]     |
[INFO] [stderr] 371 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:382:17
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let b = try!(self.read_type(Type::Array));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:383:19
[INFO] [stderr]     |
[INFO] [stderr] 383 |         let len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:394:17
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let b = try!(self.read_type(Type::Map));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:395:19
[INFO] [stderr]     |
[INFO] [stderr] 395 |         let len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:443:21
[INFO] [stderr]     |
[INFO] [stderr] 443 |             let n = try!(self.rdr.read(buf));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:464:18
[INFO] [stderr]     |
[INFO] [stderr] 464 |             n += try!(self.read(&mut buf[n..]));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | / macro_rules! lg {
[INFO] [stderr] 141 | |     ($($arg:tt)*) => ({
[INFO] [stderr] 142 | |         use std::io::{Write, stderr};
[INFO] [stderr] 143 | |         writeln!(&mut stderr(), $($arg)*).unwrap();
[INFO] [stderr] 144 | |     });
[INFO] [stderr] 145 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:173:18
[INFO] [stderr]     |
[INFO] [stderr] 173 |             (0, 0...23) => Type::UInt8,
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |             (1, 0...23) => Type::Int8,
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:188:22
[INFO] [stderr]     |
[INFO] [stderr] 188 |             (7, v @ 0...19) => return Err(ReadError::Unassigned {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:191:19
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (7, 20...21) => Type::Bool,
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |             (7, v @ 28...30) => return Err(ReadError::Unassigned {
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:776:32
[INFO] [stderr]     |
[INFO] [stderr] 776 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 v @ 0...23 => self.read_simple_value(v),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 25...27 => self.read_float(first).map(Cbor::Float),
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:121:23
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 v @ 28...30 =>
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:137:18
[INFO] [stderr]     |
[INFO] [stderr] 137 |             v @ 0...19 =>
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:144:19
[INFO] [stderr]     |
[INFO] [stderr] 144 |             v @ 24...31 =>
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 |             n @ 0...23 => CborUnsigned::UInt8(n),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:319:18
[INFO] [stderr]     |
[INFO] [stderr] 319 |             n @ 0...23 => CborSigned::Int8(-1 - (n as i8)),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |             (1, n @ 0...23) => n as i64,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:153:22
[INFO] [stderr]     |
[INFO] [stderr] 153 |             (0, n @ 0...23) => (n as u64, 8),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:768:32
[INFO] [stderr]     |
[INFO] [stderr] 768 |             Io(ref err) => err.description(),
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:778:43
[INFO] [stderr]     |
[INFO] [stderr] 778 |             CborError::Io(ref err) => err.cause(),
[INFO] [stderr]     |                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             None => try!(self.rdr.read_u8()),
[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/decoder.rs:117:29
[INFO] [stderr]     |
[INFO] [stderr] 117 |                     let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:159:25
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let n = try!(self.rdr.read_u16::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:162:38
[INFO] [stderr]     |
[INFO] [stderr] 162 |             26 => CborFloat::Float32(try!(self.rdr.read_f32::<BigEndian>())),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:163:38
[INFO] [stderr]     |
[INFO] [stderr] 163 |             27 => CborFloat::Float64(try!(self.rdr.read_f64::<BigEndian>())),
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let tag = try!(tag.to_u64().map_err(|err| self.errat(err)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:173:20
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let data = try!(self.read_data_item(None));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let len = try!(self.read_len(first));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:217:27
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 let val = try!(self.read_data_item(None));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:267:23
[INFO] [stderr]     |
[INFO] [stderr] 267 |             let len = try!(self.read_len(first));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 |             try!(self.rdr.read_full(&mut buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:293:23
[INFO] [stderr]     |
[INFO] [stderr] 293 |             let len = try!(self.read_len(first));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             try!(self.rdr.read_full(&mut buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:308:39
[INFO] [stderr]     |
[INFO] [stderr] 308 |             24 => CborUnsigned::UInt8(try!(self.rdr.read_u8())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:309:40
[INFO] [stderr]     |
[INFO] [stderr] 309 |             25 => CborUnsigned::UInt16(try!(self.rdr.read_u16::<BigEndian>())),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:310:40
[INFO] [stderr]     |
[INFO] [stderr] 310 |             26 => CborUnsigned::UInt32(try!(self.rdr.read_u32::<BigEndian>())),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:311:40
[INFO] [stderr]     |
[INFO] [stderr] 311 |             27 => CborUnsigned::UInt64(try!(self.rdr.read_u64::<BigEndian>())),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:321:25
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 let n = try!(self.rdr.read_u8());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:329:25
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 let n = try!(self.rdr.read_u16::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:337:25
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 let n = try!(self.rdr.read_u32::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:345:25
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 let n = try!(self.rdr.read_u64::<BigEndian>());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |         let n = try!(self.rdr.read(buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/decoder.rs:448:19
[INFO] [stderr]     |
[INFO] [stderr] 448 |             match try!(self.read(&mut buf[nread..])) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encoder.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(v.encode(self))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         try!(self.write_num(3, v.len() as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:268:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |         try!(self.write_num(5, 2));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.emit_str("variant"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         try!(self.emit_str(v_name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         try!(self.emit_str("fields"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:272:9
[INFO] [stderr]     |
[INFO] [stderr] 272 |         try!(self.write_num(4, len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |             try!(self.write_num(5, len as u64));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:341:17
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 try!(self.emit_str(f_name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:397:13
[INFO] [stderr]     |
[INFO] [stderr] 397 |             try!(self.write_num(2, len as u64));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |         try!(self.write_num(4, len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encoder.rs:415:9
[INFO] [stderr]     |
[INFO] [stderr] 415 |         try!(self.write_num(5, len as u64));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder.rs:97:15
[INFO] [stderr]    |
[INFO] [stderr] 97 |         match try!(self.pop(Type::Null)) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 104 |         read_unsigned!(self, Type::UInt, to_usize)
[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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |         read_unsigned!(self, Type::UInt64, to_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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |         read_unsigned!(self, Type::UInt32, to_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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |         read_unsigned!(self, Type::UInt16, to_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/rustc_decoder.rs:54:17
[INFO] [stderr]     |
[INFO] [stderr] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 120 |         read_unsigned!(self, Type::UInt8, to_u8)
[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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 124 |         read_signed!(self, isize, Type::Int, to_isize, to_usize)
[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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 |         read_signed!(self, i64, Type::Int64, to_i64, to_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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 |         read_signed!(self, i32, Type::Int32, to_i32, to_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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 136 |         read_signed!(self, i16, Type::Int16, to_i16, to_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/rustc_decoder.rs:64:17
[INFO] [stderr]     |
[INFO] [stderr] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 140 |         read_signed!(self, i8, Type::Int8, to_i8, to_u8)
[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/rustc_decoder.rs:144:15
[INFO] [stderr]     |
[INFO] [stderr] 144 |         match try!(self.pop(Type::Bool)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:77:17
[INFO] [stderr]     |
[INFO] [stderr] 77  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |         read_float!(self, f64, Type::Float64, to_f64, to_i64, to_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/rustc_decoder.rs:77:17
[INFO] [stderr]     |
[INFO] [stderr] 77  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 155 |         read_float!(self, f32, Type::Float32, to_f32, to_i32, to_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/rustc_decoder.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let n = try!(self.read_u32());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:193:26
[INFO] [stderr]     |
[INFO] [stderr] 193 |         let name = match try!(self.pop_expect("Unicode or variant map")) {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:263:19
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let val = try!(f(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 |         let mut map = match try!(self.pop(Type::Map)) {
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:291:50
[INFO] [stderr]     |
[INFO] [stderr] 291 |             Some(val) => { self.stack.push(val); try!(f(self)) }
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:311:27
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:341:27
[INFO] [stderr]     |
[INFO] [stderr] 341 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:366:15
[INFO] [stderr]     |
[INFO] [stderr] 366 |         match try!(self.pop(Type::Any)) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:374:27
[INFO] [stderr]     |
[INFO] [stderr] 374 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder.rs:390:25
[INFO] [stderr]     |
[INFO] [stderr] 390 |         let map = match try!(self.pop(Type::Map)) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |             None => try!(self.rdr.read_u8()),
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:91:18
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 (try!(self.rdr.read_u16::<BigEndian>()) as f64, 16)
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |             (7, 26) => (try!(self.rdr.read_f32::<BigEndian>()) as f64, 32),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/rustc_decoder_direct.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |             (7, 27) => (try!(self.rdr.read_f64::<BigEndian>()), 64),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |             None => try!(self.rdr.read_u8()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:117:24
[INFO] [stderr]     |
[INFO] [stderr] 117 |             (1, 24) => try!(self.rdr.read_u8()) as i64,
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 |             (1, 25) => try!(self.rdr.read_i16::<BigEndian>()) as i64,
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |             (1, 26) => try!(self.rdr.read_i32::<BigEndian>()) as i64,
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |             (1, 27) => try!(self.rdr.read_i64::<BigEndian>()),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:150:21
[INFO] [stderr]     |
[INFO] [stderr] 150 |             None => try!(self.rdr.read_u8()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:154:25
[INFO] [stderr]     |
[INFO] [stderr] 154 |             (0, 24) => (try!(self.rdr.read_u8()) as u64, 8),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:155:25
[INFO] [stderr]     |
[INFO] [stderr] 155 |             (0, 25) => (try!(self.rdr.read_u16::<BigEndian>()) as u64, 16),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |             (0, 26) => (try!(self.rdr.read_u32::<BigEndian>()) as u64, 32),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:157:25
[INFO] [stderr]     |
[INFO] [stderr] 157 |             (0, 27) => (try!(self.rdr.read_u64::<BigEndian>()), 64),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:188:12
[INFO] [stderr]     |
[INFO] [stderr] 188 |         Ok(try!(self.read_uint(None, 64)) as usize)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:196:12
[INFO] [stderr]     |
[INFO] [stderr] 196 |         Ok(try!(self.read_uint(None, 32)) as u32)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:200:12
[INFO] [stderr]     |
[INFO] [stderr] 200 |         Ok(try!(self.read_uint(None, 16)) as u16)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:204:12
[INFO] [stderr]     |
[INFO] [stderr] 204 |         Ok(try!(self.read_uint(None, 8)) as u8)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:209:12
[INFO] [stderr]     |
[INFO] [stderr] 209 |         Ok(try!(self.read_int(None, 64)) as isize)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:217:12
[INFO] [stderr]     |
[INFO] [stderr] 217 |         Ok(try!(self.read_int(None, 32)) as i32)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:221:12
[INFO] [stderr]     |
[INFO] [stderr] 221 |         Ok(try!(self.read_int(None, 16)) as i16)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:225:12
[INFO] [stderr]     |
[INFO] [stderr] 225 |         Ok(try!(self.read_int(None, 8)) as i8)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |         Ok(try!(self.read_float(None, 64)) as f32)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let n = try!(self.read_uint(None, 32)) as u32;
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |         let b = try!(self.read_type(Type::Unicode));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:256:19
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         try!(self.rdr.read_full(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |         let b = try!(self.read_type(Type::Array));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:332:23
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let got_len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:371:17
[INFO] [stderr]     |
[INFO] [stderr] 371 |         let b = try!(self.rdr.read_u8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:382:17
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let b = try!(self.read_type(Type::Array));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:383:19
[INFO] [stderr]     |
[INFO] [stderr] 383 |         let len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:394:17
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let b = try!(self.read_type(Type::Map));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:395:19
[INFO] [stderr]     |
[INFO] [stderr] 395 |         let len = try!(self.read_len(Some(b)));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:443:21
[INFO] [stderr]     |
[INFO] [stderr] 443 |             let n = try!(self.rdr.read(buf));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:464:18
[INFO] [stderr]     |
[INFO] [stderr] 464 |             n += try!(self.read(&mut buf[n..]));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/lib.rs:140:1
[INFO] [stderr]     |
[INFO] [stderr] 140 | / macro_rules! lg {
[INFO] [stderr] 141 | |     ($($arg:tt)*) => ({
[INFO] [stderr] 142 | |         use std::io::{Write, stderr};
[INFO] [stderr] 143 | |         writeln!(&mut stderr(), $($arg)*).unwrap();
[INFO] [stderr] 144 | |     });
[INFO] [stderr] 145 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:173:18
[INFO] [stderr]     |
[INFO] [stderr] 173 |             (0, 0...23) => Type::UInt8,
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |             (1, 0...23) => Type::Int8,
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:188:22
[INFO] [stderr]     |
[INFO] [stderr] 188 |             (7, v @ 0...19) => return Err(ReadError::Unassigned {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:191:19
[INFO] [stderr]     |
[INFO] [stderr] 191 |             (7, 20...21) => Type::Bool,
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:197:23
[INFO] [stderr]     |
[INFO] [stderr] 197 |             (7, v @ 28...30) => return Err(ReadError::Unassigned {
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:776:32
[INFO] [stderr]     |
[INFO] [stderr] 776 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:115:22
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 v @ 0...23 => self.read_simple_value(v),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 25...27 => self.read_float(first).map(Cbor::Float),
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:121:23
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 v @ 28...30 =>
[INFO] [stderr]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:137:18
[INFO] [stderr]     |
[INFO] [stderr] 137 |             v @ 0...19 =>
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:144:19
[INFO] [stderr]     |
[INFO] [stderr] 144 |             v @ 24...31 =>
[INFO] [stderr]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 |             n @ 0...23 => CborUnsigned::UInt8(n),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/decoder.rs:319:18
[INFO] [stderr]     |
[INFO] [stderr] 319 |             n @ 0...23 => CborSigned::Int8(-1 - (n as i8)),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |             (1, n @ 0...23) => n as i64,
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/rustc_decoder_direct.rs:153:22
[INFO] [stderr]     |
[INFO] [stderr] 153 |             (0, n @ 0...23) => (n as u64, 8),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> tests/tests.rs:162:23
[INFO] [stderr]     |
[INFO] [stderr] 162 |             let tag = try!(d.read_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]    --> tests/tests.rs:163:40
[INFO] [stderr]     |
[INFO] [stderr] 163 |             Ok(MyTag { num: tag, data: try!(Decodable::decode(d)) })
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> tests/tests.rs:192:21
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let _ = try!(d.read_u64());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> tests/tests.rs:193:33
[INFO] [stderr]     |
[INFO] [stderr] 193 |             let (name, value) = try!(Decodable::decode(d));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:768:32
[INFO] [stderr]     |
[INFO] [stderr] 768 |             Io(ref err) => err.description(),
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:778:43
[INFO] [stderr]     |
[INFO] [stderr] 778 |             CborError::Io(ref err) => err.cause(),
[INFO] [stderr]     |                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "20d98914c3d7443d29a20b077b97ba4c08452b38ba0b1ca2d6402a6bea81a0f0"`
[INFO] running `"docker" "rm" "-f" "20d98914c3d7443d29a20b077b97ba4c08452b38ba0b1ca2d6402a6bea81a0f0"`
[INFO] [stdout] 20d98914c3d7443d29a20b077b97ba4c08452b38ba0b1ca2d6402a6bea81a0f0
