[INFO] fetching crate lua-kit 0.1.0...
[INFO] fixing lua-kit-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate lua-kit 0.1.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lua-kit 0.1.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding byteorder v0.3.13 (available: v1.5.0)
[INFO] [stderr]       Adding libc v0.1.12 (available: v0.2.186)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `lua-kit` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20
[INFO] running `Command { std: "docker" "start" "3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `lua-kit` (manifest) generated 1 warning
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking lua-kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 |     try!(writer.write_header());
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 18 |     try!(writer.out.write_u8(function.upvalues.len() as u8));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 |         try!(self.out.write_all(SIGNATURE));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(self.out.write_u8(VERSION));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.out.write_u8(FORMAT));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |         try!(self.out.write_all(DATA));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(self.out.write_u8(size_of::<Int>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |         try!(self.out.write_u8(size_of::<Size>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(self.out.write_u8(size_of::<Instruction>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:35:3
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.out.write_u8(size_of::<Integer>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try!(self.out.write_u8(size_of::<Number>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(self.out.write_i64::<E>(TEST_INT));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(self.out.write_f64::<E>(TEST_NUMBER));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |         try!(self.write_string(&function.source));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(self.out.write_i32::<E>(function.line_start));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(self.out.write_i32::<E>(function.line_end));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(self.out.write_u8(function.num_params));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:47:3
[INFO] [stdout]    |
[INFO] [stdout] 47 |         try!(self.out.write_u8(if function.is_vararg { 1 } else { 0 }));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:48:3
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(self.out.write_u8(function.max_stack_size));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 |         try!(self.out.write_u32::<E>(function.code.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:54:3
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(self.out.write_u32::<E>(function.constants.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |         try!(self.out.write_u32::<E>(function.upvalues.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:84:3
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(self.out.write_u32::<E>(function.protos.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |         try!(self.out.write_u32::<E>(function.debug.lineinfo.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:93:3
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(self.out.write_u32::<E>(function.debug.localvars.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(self.out.write_u32::<E>(function.debug.upvalues.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try!(self.out.write_u32::<E>(ins));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 &Constant::Nil => try!(self.out.write_u8(0x00)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 &Constant::Boolean(b) => try!(self.out.write_all(&[0x01, if b { 1 } else { 0 }])),
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     try!(self.out.write_u8(0x03));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     try!(self.out.write_f64::<E>(n));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     try!(self.out.write_u8(0x13));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     try!(self.out.write_i64::<E>(n));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(self.out.write_u8(0x04));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     try!(self.write_string(s));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     try!(self.out.write_u8(0x14));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     try!(self.write_string(s));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(match upval {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(self.write_function(proto));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 |             try!(self.out.write_i32::<E>(line));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 |             try!(self.write_string(&var.name));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 |             try!(self.out.write_i32::<E>(var.start_pc));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 |             try!(self.out.write_i32::<E>(var.end_pc));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 |             try!(self.write_string(upval));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 |             try!(self.out.write_u8(0xff));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(self.out.write_u32::<E>(string.len() as u32 + 1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 |             try!(self.out.write_u8(string.len() as u8 + 1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 |     try!(reader.read_header());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 18 |     try!(reader.out.read_u8()); // discard upvals header
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let n = try!(self.out.read(&mut buf[start..]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try!(self.read_all(&mut buffer[..4]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.read_all(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |         check!(try!(self.out.read_u8()), VERSION, "version");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |         check!(try!(self.out.read_u8()), FORMAT, "format");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |         check!(try!(self.out.read_u8()), size_of::<Int>() as u8, "sizeof(int)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |         check!(try!(self.out.read_u8()), size_of::<Size>() as u8, "sizeof(size_t)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |         check!(try!(self.out.read_u8()), size_of::<Instruction>() as u8, "sizeof(Instruction)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 |         check!(try!(self.out.read_u8()), size_of::<Integer>() as u8, "sizeof(Integer)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |         check!(try!(self.out.read_u8()), size_of::<Number>() as u8, "sizeof(Number)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |         check!(try!(self.out.read_i64::<E>()), TEST_INT, "test integer");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         check!(try!(self.out.read_f64::<E>()), TEST_NUMBER, "test number");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |             source: try!(self.read_string()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             line_start: try!(self.out.read_i32::<E>()),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |             line_end: try!(self.out.read_i32::<E>()),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |             num_params: try!(self.out.read_u8()),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 |     try!(writer.write_header());
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |             is_vararg: try!(self.out.read_u8()) != 0,
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 18 |     try!(writer.out.write_u8(function.upvalues.len() as u8));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |             max_stack_size: try!(self.out.read_u8()),
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 |         try!(self.out.write_all(SIGNATURE));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:84:50
[INFO] [stdout]    |
[INFO] [stdout] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 0x01 => Constant::Boolean(try!(this.out.read_u8()) != 0),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 0x03 => Constant::Float(try!(this.out.read_f64::<E>())),
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(self.out.write_u8(VERSION));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 0x13 => Constant::Int(try!(this.out.read_i64::<E>())),
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:89:35
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 0x04 => Constant::ShortString(try!(this.read_string())),
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 0x14 => Constant::LongString(try!(this.read_string())),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.out.write_u8(FORMAT));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |             upvalues: try!(self.read_vec(|this| {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let stack = try!(this.out.read_u8());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 let idx = try!(this.out.read_u8());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |             protos: try!(self.read_vec(|this| this.read_function())),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |         try!(self.out.write_all(DATA));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:103:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:104:16
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 localvars: try!(self.read_vec(|this| Ok(LocalVar {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |         try!(self.out.write_u8(size_of::<Int>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     name: try!(this.read_string()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     start_pc: try!(this.out.read_i32::<E>()),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |         try!(self.out.write_u8(size_of::<Size>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     end_pc: try!(this.out.read_i32::<E>()),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 upvalues: try!(self.read_vec(|this| this.read_string())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let len = try!(self.out.read_u32::<E>());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let first = try!(self.out.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 |         try!(self.out.write_u8(size_of::<Instruction>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 |             try!(self.read_all(&mut buffer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 try!(self.out.read_u32::<E>()) as usize
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:35:3
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.out.write_u8(size_of::<Integer>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |         try!(self.out.write_u8(size_of::<Number>() as u8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 |         try!(self.out.write_i64::<E>(TEST_INT));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(self.out.write_f64::<E>(TEST_NUMBER));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |         try!(self.write_string(&function.source));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:44:3
[INFO] [stdout]    |
[INFO] [stdout] 44 |         try!(self.out.write_i32::<E>(function.line_start));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(self.out.write_i32::<E>(function.line_end));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(self.out.write_u8(function.num_params));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:47:3
[INFO] [stdout]    |
[INFO] [stdout] 47 |         try!(self.out.write_u8(if function.is_vararg { 1 } else { 0 }));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:48:3
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(self.out.write_u8(function.max_stack_size));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 |         try!(self.out.write_u32::<E>(function.code.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:54:3
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(self.out.write_u32::<E>(function.constants.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |         try!(self.out.write_u32::<E>(function.upvalues.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:84:3
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(self.out.write_u32::<E>(function.protos.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |         try!(self.out.write_u32::<E>(function.debug.lineinfo.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:93:3
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(self.out.write_u32::<E>(function.debug.localvars.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(self.out.write_u32::<E>(function.debug.upvalues.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 |             try!(self.out.write_u32::<E>(ins));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 &Constant::Nil => try!(self.out.write_u8(0x00)),
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 &Constant::Boolean(b) => try!(self.out.write_all(&[0x01, if b { 1 } else { 0 }])),
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     try!(self.out.write_u8(0x03));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |                     try!(self.out.write_f64::<E>(n));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     try!(self.out.write_u8(0x13));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     try!(self.out.write_i64::<E>(n));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(self.out.write_u8(0x04));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     try!(self.write_string(s));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     try!(self.out.write_u8(0x14));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     try!(self.write_string(s));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(match upval {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(self.write_function(proto));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 |             try!(self.out.write_i32::<E>(line));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 |             try!(self.write_string(&var.name));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 |             try!(self.out.write_i32::<E>(var.start_pc));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 |             try!(self.out.write_i32::<E>(var.end_pc));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 |             try!(self.write_string(upval));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 |             try!(self.out.write_u8(0xff));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(self.out.write_u32::<E>(string.len() as u32 + 1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/write.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 |             try!(self.out.write_u8(string.len() as u8 + 1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 |     try!(reader.read_header());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 18 |     try!(reader.out.read_u8()); // discard upvals header
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let n = try!(self.out.read(&mut buf[start..]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try!(self.read_all(&mut buffer[..4]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.read_all(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |         check!(try!(self.out.read_u8()), VERSION, "version");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |         check!(try!(self.out.read_u8()), FORMAT, "format");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |         check!(try!(self.out.read_u8()), size_of::<Int>() as u8, "sizeof(int)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |         check!(try!(self.out.read_u8()), size_of::<Size>() as u8, "sizeof(size_t)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |         check!(try!(self.out.read_u8()), size_of::<Instruction>() as u8, "sizeof(Instruction)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 |         check!(try!(self.out.read_u8()), size_of::<Integer>() as u8, "sizeof(Integer)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |         check!(try!(self.out.read_u8()), size_of::<Number>() as u8, "sizeof(Number)");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |         check!(try!(self.out.read_i64::<E>()), TEST_INT, "test integer");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         check!(try!(self.out.read_f64::<E>()), TEST_NUMBER, "test number");
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |             source: try!(self.read_string()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |             line_start: try!(self.out.read_i32::<E>()),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 79 |             line_end: try!(self.out.read_i32::<E>()),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |             num_params: try!(self.out.read_u8()),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |             is_vararg: try!(self.out.read_u8()) != 0,
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |             max_stack_size: try!(self.out.read_u8()),
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |             code: try!(self.read_vec(|this| Ok(try!(this.out.read_u32::<E>())))),
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:84:50
[INFO] [stdout]    |
[INFO] [stdout] 84 |             constants: try!(self.read_vec(|this| Ok(match try!(this.out.read_u8()) {
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 0x01 => Constant::Boolean(try!(this.out.read_u8()) != 0),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 0x03 => Constant::Float(try!(this.out.read_f64::<E>())),
[INFO] [stdout]    |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 0x13 => Constant::Int(try!(this.out.read_i64::<E>())),
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:89:35
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 0x04 => Constant::ShortString(try!(this.read_string())),
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 0x14 => Constant::LongString(try!(this.read_string())),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |             upvalues: try!(self.read_vec(|this| {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let stack = try!(this.out.read_u8());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 let idx = try!(this.out.read_u8());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |             protos: try!(self.read_vec(|this| this.read_function())),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:103:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 lineinfo: try!(self.read_vec(|this| Ok(try!(this.out.read_i32::<E>())))),
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:104:16
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 localvars: try!(self.read_vec(|this| Ok(LocalVar {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     name: try!(this.read_string()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 |                     start_pc: try!(this.out.read_i32::<E>()),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     end_pc: try!(this.out.read_i32::<E>()),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 upvalues: try!(self.read_vec(|this| this.read_string())),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let len = try!(self.out.read_u32::<E>());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let first = try!(self.out.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 |             try!(self.read_all(&mut buffer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 try!(self.out.read_u32::<E>()) as usize
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/read.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn invalid<T, S: Into<Box<::std::error::Error + Send + Sync>>>(s: S) -> io::Result<T> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn invalid<T, S: Into<Box<dyn (::std::error::Error + Send + Sync)>>>(s: S) -> io::Result<T> {
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/read.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn invalid<T, S: Into<Box<::std::error::Error + Send + Sync>>>(s: S) -> io::Result<T> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn invalid<T, S: Into<Box<dyn (::std::error::Error + Send + Sync)>>>(s: S) -> io::Result<T> {
[INFO] [stdout]    |                           +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/read.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn read_all(&mut self, mut buf: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |                            ----^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/read.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn read_all(&mut self, mut buf: &mut [u8]) -> io::Result<()> {
[INFO] [stdout]    |                            ----^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20", kill_on_drop: false }`
[INFO] [stdout] 3b5a97292006d78861c0db630245ac63075ab0cab99afd3bbe30f4de6b51bc20
