[INFO] fetching crate hpack 0.3.0...
[INFO] checking hpack-0.3.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate hpack 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hpack 0.3.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hpack 0.3.0
[INFO] finished tweaking crates.io crate hpack 0.3.0
[INFO] tweaked toml for crates.io crate hpack 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10767a557b42c84569b68437091997f0399815a8dad14e53f95dd804e050c4e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b10767a557b42c84569b68437091997f0399815a8dad14e53f95dd804e050c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10767a557b42c84569b68437091997f0399815a8dad14e53f95dd804e050c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10767a557b42c84569b68437091997f0399815a8dad14e53f95dd804e050c4e", kill_on_drop: false }`
[INFO] [stdout] b10767a557b42c84569b68437091997f0399815a8dad14e53f95dd804e050c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad4bcaf96f1b793c58b4c85d033acc67c4455040a1040b30a3d614d12ec53454
[INFO] running `Command { std: "docker" "start" "-a" "ad4bcaf96f1b793c58b4c85d033acc67c4455040a1040b30a3d614d12ec53454", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hpack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(writer.write_all(&[leading_bits | value as u8]));
[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/encoder.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     try!(writer.write_all(&[leading_bits | mask as u8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(writer.write_all(&[((value % 128) + 128) as u8]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     try!(writer.write_all(&[value as u8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             try!(self.encode_header_into(header, writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 try!(self.encode_literal(&header, true, writer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 try!(self.encode_indexed_name((index, header.1), false, writer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 try!(self.encode_indexed(index, writer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         try!(buf.write_all(&[mask]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         try!(self.encode_string_literal(&header.0, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         try!(self.encode_string_literal(&header.1, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(encode_integer_into(octet_str.len(), 7, 0, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         try!(buf.write_all(octet_str));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         try!(encode_integer_into(header.0, prefix, mask, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         try!(self.encode_string_literal(&header.1, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(encode_integer_into(index, 7, 0x80, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (len, consumed) = try!(decode_integer(buf, 7));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |                         try!(self.decode_indexed(buffer_leftover));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:322:57
[INFO] [stdout]     |
[INFO] [stdout] 322 |                         let ((name, value), consumed) = try!(
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         try!(self.decode_literal(buffer_leftover, false));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:355:25
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         try!(self.decode_literal(buffer_leftover, false));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |         try!(self.decode_with_cb(buf, |n, v| header_list.push((n.into_owned(), v.into_owned()))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let (index, consumed) = try!(decode_integer(buf, 7));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:394:29
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let (name, value) = try!(self.get_from_table(index));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:423:43
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let (table_index, mut consumed) = try!(decode_integer(buf, prefix));
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:428:36
[INFO] [stdout]     |
[INFO] [stdout] 428 |             let (name, name_len) = try!(decode_string(&buf[consumed..]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:433:29
[INFO] [stdout]     |
[INFO] [stdout] 433 |             let (name, _) = try!(self.get_from_table(table_index));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:438:34
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let (value, value_len) = try!(decode_string(&buf[consumed..]));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:280:48
[INFO] [stdout]     |
[INFO] [stdout] 280 | ...                   fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(writer.write_all(&[leading_bits | value as u8]));
[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/encoder.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     try!(writer.write_all(&[leading_bits | mask as u8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(writer.write_all(&[((value % 128) + 128) as u8]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     try!(writer.write_all(&[value as u8]));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             try!(self.encode_header_into(header, writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 try!(self.encode_literal(&header, true, writer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 try!(self.encode_indexed_name((index, header.1), false, writer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 try!(self.encode_indexed(index, writer));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         try!(buf.write_all(&[mask]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         try!(self.encode_string_literal(&header.0, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         try!(self.encode_string_literal(&header.1, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(encode_integer_into(octet_str.len(), 7, 0, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         try!(buf.write_all(octet_str));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         try!(encode_integer_into(header.0, prefix, mask, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         try!(self.encode_string_literal(&header.1, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(encode_integer_into(index, 7, 0x80, buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let (len, consumed) = try!(decode_integer(buf, 7));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |                         try!(self.decode_indexed(buffer_leftover));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:322:57
[INFO] [stdout]     |
[INFO] [stdout] 322 |                         let ((name, value), consumed) = try!(
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         try!(self.decode_literal(buffer_leftover, false));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:355:25
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         try!(self.decode_literal(buffer_leftover, false));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |         try!(self.decode_with_cb(buf, |n, v| header_list.push((n.into_owned(), v.into_owned()))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let (index, consumed) = try!(decode_integer(buf, 7));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:394:29
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let (name, value) = try!(self.get_from_table(index));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:423:43
[INFO] [stdout]     |
[INFO] [stdout] 423 |         let (table_index, mut consumed) = try!(decode_integer(buf, prefix));
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:428:36
[INFO] [stdout]     |
[INFO] [stdout] 428 |             let (name, name_len) = try!(decode_string(&buf[consumed..]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:433:29
[INFO] [stdout]     |
[INFO] [stdout] 433 |             let (name, _) = try!(self.get_from_table(table_index));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:438:34
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let (value, value_len) = try!(decode_string(&buf[consumed..]));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:280:48
[INFO] [stdout]     |
[INFO] [stdout] 280 | ...                   fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_max_table_size`
[INFO] [stdout]    --> src/lib.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn get_max_table_size(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_vec`
[INFO] [stdout]    --> src/lib.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn to_vec(&self) -> Vec<(Vec<u8>, Vec<u8>)> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "ad4bcaf96f1b793c58b4c85d033acc67c4455040a1040b30a3d614d12ec53454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4bcaf96f1b793c58b4c85d033acc67c4455040a1040b30a3d614d12ec53454", kill_on_drop: false }`
[INFO] [stdout] ad4bcaf96f1b793c58b4c85d033acc67c4455040a1040b30a3d614d12ec53454