[INFO] crate lua-kit 0.1.0 is already in cache
[INFO] checking lua-kit-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate lua-kit 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lua-kit 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lua-kit 0.1.0
[INFO] finished tweaking crates.io crate lua-kit 0.1.0
[INFO] tweaked toml for crates.io crate lua-kit 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a058dc34fe25c9ccb24db72e0884d7f043bbf93df488e2df5d301f94559d6c1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a058dc34fe25c9ccb24db72e0884d7f043bbf93df488e2df5d301f94559d6c1d"`
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking lua-kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     try!(writer.write_header());
[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/write.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     try!(writer.out.write_u8(function.upvalues.len() as u8));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |         try!(self.out.write_all(SIGNATURE));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(self.out.write_u8(VERSION));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(self.out.write_u8(FORMAT));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |         try!(self.out.write_all(DATA));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(self.out.write_u8(size_of::<Int>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(self.out.write_u8(size_of::<Size>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |         try!(self.out.write_u8(size_of::<Instruction>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.out.write_u8(size_of::<Integer>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         try!(self.out.write_u8(size_of::<Number>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(self.out.write_i64::<E>(TEST_INT));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(self.out.write_f64::<E>(TEST_NUMBER));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |         try!(self.write_string(&function.source));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |         try!(self.out.write_i32::<E>(function.line_start));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(self.out.write_i32::<E>(function.line_end));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(self.out.write_u8(function.num_params));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(self.out.write_u8(if function.is_vararg { 1 } else { 0 }));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(self.out.write_u8(function.max_stack_size));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(self.out.write_u32::<E>(function.code.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 |             try!(self.out.write_u32::<E>(ins));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(self.out.write_u32::<E>(function.constants.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 &Constant::Nil => try!(self.out.write_u8(0x00)),
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 &Constant::Boolean(b) => try!(self.out.write_all(&[0x01, if b { 1 } else { 0 }])),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:60:6
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     try!(self.out.write_u8(0x03));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     try!(self.out.write_f64::<E>(n));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:64:6
[INFO] [stderr]    |
[INFO] [stderr] 64 |                     try!(self.out.write_u8(0x13));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     try!(self.out.write_i64::<E>(n));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:68:6
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     try!(self.out.write_u8(0x04));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     try!(self.write_string(s));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:72:6
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     try!(self.out.write_u8(0x14));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:73:6
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     try!(self.write_string(s));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:77:3
[INFO] [stderr]    |
[INFO] [stderr] 77 |         try!(self.out.write_u32::<E>(function.upvalues.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(match upval {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.out.write_u32::<E>(function.protos.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(self.write_function(proto));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:89:3
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(self.out.write_u32::<E>(function.debug.lineinfo.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 |             try!(self.out.write_i32::<E>(line));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.out.write_u32::<E>(function.debug.localvars.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 |             try!(self.write_string(&var.name));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:96:4
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(self.out.write_i32::<E>(var.start_pc));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(self.out.write_i32::<E>(var.end_pc));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.out.write_u32::<E>(function.debug.upvalues.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 |             try!(self.write_string(upval));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.out.write_u8(0xff));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:109:4
[INFO] [stderr]     |
[INFO] [stderr] 109 |             try!(self.out.write_u32::<E>(string.len() as u32 + 1));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 |             try!(self.out.write_u8(string.len() as u8 + 1));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     try!(reader.read_header());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     try!(reader.out.read_u8()); // discard upvals header
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let n = try!(self.out.read(&mut buf[start..]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.read_all(&mut buffer[..4]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:61:10
[INFO] [stderr]    |
[INFO] [stderr] 61 |         check!(try!(self.out.read_u8()), VERSION, "version");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:62:10
[INFO] [stderr]    |
[INFO] [stderr] 62 |         check!(try!(self.out.read_u8()), FORMAT, "format");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.read_all(&mut buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 |         check!(try!(self.out.read_u8()), size_of::<Int>() as u8, "sizeof(int)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 |         check!(try!(self.out.read_u8()), size_of::<Size>() as u8, "sizeof(size_t)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |         check!(try!(self.out.read_u8()), size_of::<Instruction>() as u8, "sizeof(Instruction)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 |         check!(try!(self.out.read_u8()), size_of::<Integer>() as u8, "sizeof(Integer)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |         check!(try!(self.out.read_u8()), size_of::<Number>() as u8, "sizeof(Number)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:70:10
[INFO] [stderr]    |
[INFO] [stderr] 70 |         check!(try!(self.out.read_i64::<E>()), TEST_INT, "test integer");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:71:10
[INFO] [stderr]    |
[INFO] [stderr] 71 |         check!(try!(self.out.read_f64::<E>()), TEST_NUMBER, "test number");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |             source: try!(self.read_string()),
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             line_start: try!(self.out.read_i32::<E>()),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |             line_end: try!(self.out.read_i32::<E>()),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             num_params: try!(self.out.read_u8()),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |             is_vararg: try!(self.out.read_u8()) != 0,
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |             max_stack_size: try!(self.out.read_u8()),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:83:39
[INFO] [stderr]    |
[INFO] [stderr] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stderr]    |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:84:15
[INFO] [stderr]    |
[INFO] [stderr] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:84:50
[INFO] [stderr]    |
[INFO] [stderr] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stderr]    |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 0x01 => Constant::Boolean(try!(this.out.read_u8()) != 0),
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 0x03 => Constant::Float(try!(this.out.read_f64::<E>())),
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 0x13 => Constant::Int(try!(this.out.read_i64::<E>())),
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:89:35
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 0x04 => Constant::ShortString(try!(this.read_string())),
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 0x14 => Constant::LongString(try!(this.read_string())),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |             upvalues: try!(self.read_vec(|this| {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let stack = try!(this.out.read_u8());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:95:15
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let idx = try!(this.out.read_u8());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 101 |             protos: try!(self.read_vec(|this| this.read_function())),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:103:15
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:103:44
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stderr]     |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:104:16
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 localvars: try!(self.read_vec(|this| Ok(LocalVar {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     name: try!(this.read_string()),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:106:16
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     start_pc: try!(this.out.read_i32::<E>()),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     end_pc: try!(this.out.read_i32::<E>()),
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:109:15
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 upvalues: try!(self.read_vec(|this| this.read_string())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let len = try!(self.out.read_u32::<E>());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let first = try!(self.out.read_u8());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 try!(self.out.read_u32::<E>()) as usize
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 |             try!(self.read_all(&mut buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/read.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn invalid<T, S: Into<Box<::std::error::Error + Send + Sync>>>(s: S) -> io::Result<T> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     try!(writer.write_header());
[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/write.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     try!(writer.out.write_u8(function.upvalues.len() as u8));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |         try!(self.out.write_all(SIGNATURE));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(self.out.write_u8(VERSION));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(self.out.write_u8(FORMAT));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |         try!(self.out.write_all(DATA));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(self.out.write_u8(size_of::<Int>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(self.out.write_u8(size_of::<Size>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 34 |         try!(self.out.write_u8(size_of::<Instruction>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:35:3
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.out.write_u8(size_of::<Integer>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |         try!(self.out.write_u8(size_of::<Number>() as u8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |         try!(self.out.write_i64::<E>(TEST_INT));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(self.out.write_f64::<E>(TEST_NUMBER));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |         try!(self.write_string(&function.source));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:44:3
[INFO] [stderr]    |
[INFO] [stderr] 44 |         try!(self.out.write_i32::<E>(function.line_start));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(self.out.write_i32::<E>(function.line_end));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(self.out.write_u8(function.num_params));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(self.out.write_u8(if function.is_vararg { 1 } else { 0 }));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(self.out.write_u8(function.max_stack_size));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:50:3
[INFO] [stderr]    |
[INFO] [stderr] 50 |         try!(self.out.write_u32::<E>(function.code.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 |             try!(self.out.write_u32::<E>(ins));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(self.out.write_u32::<E>(function.constants.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 &Constant::Nil => try!(self.out.write_u8(0x00)),
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:58:30
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 &Constant::Boolean(b) => try!(self.out.write_all(&[0x01, if b { 1 } else { 0 }])),
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:60:6
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     try!(self.out.write_u8(0x03));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     try!(self.out.write_f64::<E>(n));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:64:6
[INFO] [stderr]    |
[INFO] [stderr] 64 |                     try!(self.out.write_u8(0x13));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     try!(self.out.write_i64::<E>(n));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:68:6
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     try!(self.out.write_u8(0x04));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     try!(self.write_string(s));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:72:6
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     try!(self.out.write_u8(0x14));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:73:6
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     try!(self.write_string(s));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:77:3
[INFO] [stderr]    |
[INFO] [stderr] 77 |         try!(self.out.write_u32::<E>(function.upvalues.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(match upval {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.out.write_u32::<E>(function.protos.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(self.write_function(proto));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:89:3
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(self.out.write_u32::<E>(function.debug.lineinfo.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 |             try!(self.out.write_i32::<E>(line));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:93:3
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(self.out.write_u32::<E>(function.debug.localvars.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 |             try!(self.write_string(&var.name));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:96:4
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(self.out.write_i32::<E>(var.start_pc));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 |             try!(self.out.write_i32::<E>(var.end_pc));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.out.write_u32::<E>(function.debug.upvalues.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 |             try!(self.write_string(upval));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.out.write_u8(0xff));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:109:4
[INFO] [stderr]     |
[INFO] [stderr] 109 |             try!(self.out.write_u32::<E>(string.len() as u32 + 1));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/write.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 |             try!(self.out.write_u8(string.len() as u8 + 1));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     try!(reader.read_header());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     try!(reader.out.read_u8()); // discard upvals header
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let n = try!(self.out.read(&mut buf[start..]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(self.read_all(&mut buffer[..4]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:61:10
[INFO] [stderr]    |
[INFO] [stderr] 61 |         check!(try!(self.out.read_u8()), VERSION, "version");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:62:10
[INFO] [stderr]    |
[INFO] [stderr] 62 |         check!(try!(self.out.read_u8()), FORMAT, "format");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.read_all(&mut buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 |         check!(try!(self.out.read_u8()), size_of::<Int>() as u8, "sizeof(int)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 |         check!(try!(self.out.read_u8()), size_of::<Size>() as u8, "sizeof(size_t)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:67:10
[INFO] [stderr]    |
[INFO] [stderr] 67 |         check!(try!(self.out.read_u8()), size_of::<Instruction>() as u8, "sizeof(Instruction)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:68:10
[INFO] [stderr]    |
[INFO] [stderr] 68 |         check!(try!(self.out.read_u8()), size_of::<Integer>() as u8, "sizeof(Integer)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |         check!(try!(self.out.read_u8()), size_of::<Number>() as u8, "sizeof(Number)");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:70:10
[INFO] [stderr]    |
[INFO] [stderr] 70 |         check!(try!(self.out.read_i64::<E>()), TEST_INT, "test integer");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:71:10
[INFO] [stderr]    |
[INFO] [stderr] 71 |         check!(try!(self.out.read_f64::<E>()), TEST_NUMBER, "test number");
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |             source: try!(self.read_string()),
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |             line_start: try!(self.out.read_i32::<E>()),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |             line_end: try!(self.out.read_i32::<E>()),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:80:16
[INFO] [stderr]    |
[INFO] [stderr] 80 |             num_params: try!(self.out.read_u8()),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |             is_vararg: try!(self.out.read_u8()) != 0,
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |             max_stack_size: try!(self.out.read_u8()),
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:83:39
[INFO] [stderr]    |
[INFO] [stderr] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stderr]    |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:84:15
[INFO] [stderr]    |
[INFO] [stderr] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:84:50
[INFO] [stderr]    |
[INFO] [stderr] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stderr]    |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 0x01 => Constant::Boolean(try!(this.out.read_u8()) != 0),
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 0x03 => Constant::Float(try!(this.out.read_f64::<E>())),
[INFO] [stderr]    |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 0x13 => Constant::Int(try!(this.out.read_i64::<E>())),
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:89:35
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 0x04 => Constant::ShortString(try!(this.read_string())),
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 0x14 => Constant::LongString(try!(this.read_string())),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |             upvalues: try!(self.read_vec(|this| {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let stack = try!(this.out.read_u8());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:95:15
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let idx = try!(this.out.read_u8());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 101 |             protos: try!(self.read_vec(|this| this.read_function())),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:103:15
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:103:44
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stderr]     |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:104:16
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 localvars: try!(self.read_vec(|this| Ok(LocalVar {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     name: try!(this.read_string()),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:106:16
[INFO] [stderr]     |
[INFO] [stderr] 106 |                     start_pc: try!(this.out.read_i32::<E>()),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |                     end_pc: try!(this.out.read_i32::<E>()),
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:109:15
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 upvalues: try!(self.read_vec(|this| this.read_string())),
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let len = try!(self.out.read_u32::<E>());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let first = try!(self.out.read_u8());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 try!(self.out.read_u32::<E>()) as usize
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 |             try!(self.read_all(&mut buffer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/read.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn invalid<T, S: Into<Box<::std::error::Error + Send + Sync>>>(s: S) -> io::Result<T> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/read.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn read_all(&mut self, mut buf: &mut [u8]) -> io::Result<()> {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/read.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn read_all(&mut self, mut buf: &mut [u8]) -> io::Result<()> {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "a058dc34fe25c9ccb24db72e0884d7f043bbf93df488e2df5d301f94559d6c1d"`
[INFO] running `"docker" "rm" "-f" "a058dc34fe25c9ccb24db72e0884d7f043bbf93df488e2df5d301f94559d6c1d"`
[INFO] [stdout] a058dc34fe25c9ccb24db72e0884d7f043bbf93df488e2df5d301f94559d6c1d
