[INFO] fetching crate nbt 0.1.2...
[INFO] testing nbt-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nbt 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nbt 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbt 0.1.2
[INFO] finished tweaking crates.io crate nbt 0.1.2
[INFO] tweaked toml for crates.io crate nbt 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 503ce5a9067a3d8866e7e58d6926408562709a760978036e3b460d30e6c7a6f2
[INFO] running `Command { std: "docker" "start" "-a" "503ce5a9067a3d8866e7e58d6926408562709a760978036e3b460d30e6c7a6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "503ce5a9067a3d8866e7e58d6926408562709a760978036e3b460d30e6c7a6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503ce5a9067a3d8866e7e58d6926408562709a760978036e3b460d30e6c7a6f2", kill_on_drop: false }`
[INFO] [stdout] 503ce5a9067a3d8866e7e58d6926408562709a760978036e3b460d30e6c7a6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c7df68a0ecd369c6d46890431c286c15b25231f06a55f59039605f05acc605d
[INFO] running `Command { std: "docker" "start" "-a" "8c7df68a0ecd369c6d46890431c286c15b25231f06a55f59039605f05acc605d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling nbt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(reader.read(&mut raw_name_len));
[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/decode.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(reader.read(&mut *raw_name_dat));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     try!(reader.read(&mut *slice));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:47:43
[INFO] [stdout]    |
[INFO] [stdout] 47 |         TagType::Byte   => Ok(Tag::Byte(  try!(read_primitive(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |         TagType::Short  => Ok(Tag::Short( try!(read_primitive(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |         TagType::Int    => Ok(Tag::Int(   try!(read_primitive(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:50:43
[INFO] [stdout]    |
[INFO] [stdout] 50 |         TagType::Long   => Ok(Tag::Long(  try!(read_primitive(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |         TagType::Float  => Ok(Tag::Float( try!(read_primitive(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |         TagType::Double => Ok(Tag::Double(try!(read_primitive(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             try!(reader.read(bytes.as_mut_slice()));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let len = try!(read_primitive::<_, i32>(reader));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |         TagType::String => Ok(Tag::String(try!(read_string(reader)))),
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let et = try!(read_primitive::<_, i8>(reader));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let len = try!(read_primitive::<_, i32>(reader));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/decode.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 vec.push(try!(read_value(reader, tt.unwrap())));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let len = try!(read_primitive::<_, i32>(reader));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 ints.push(try!(read_primitive::<_, i32>(reader)));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     try!(reader.read(&mut header));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let name = try!(read_string(reader));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let v = try!(read_value(reader, t));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:151:55
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 Compression::Uncompressed => Box::new(try!(File::open(file))),
[INFO] [stdout]     |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     Box::new(try!(GzDecoder::new(try!(File::open(file)))))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decode.rs:153:50
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     Box::new(try!(GzDecoder::new(try!(File::open(file)))))
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Ok(try!(writer.write(&i.to_bytes()).map(|_| ())))
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     try!(write_primitive(writer, s.len() as i16));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Ok(try!(writer.write(s.as_bytes()).map(|_| ())))
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Tag::Byte(x)   => try!(write_primitive(writer, x)),
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:26:27
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Tag::Short(x)  => try!(write_primitive(writer, x)),
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Tag::Int(x)    => try!(write_primitive(writer, x)),
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Tag::Long(x)   => try!(write_primitive(writer, x)),
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Tag::Float(x)  => try!(write_primitive(writer, x)),
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Tag::Double(x) => try!(write_primitive(writer, x)),
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             try!(write_primitive(writer, x.len() as i32));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(writer.write(&*x));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:37:31
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Tag::String(ref x) => try!(write_string(writer, x)),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             try!(write_primitive(writer, x.element_type.to_binary() as i8));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             try!(write_primitive(writer, x.elements.len() as i32));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write_value(writer, i));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             try!(write_primitive(writer, 0_i8));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 try!(write_tag(writer, (nam, val)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try!(write_primitive(writer, x.len() as i32));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 try!(write_primitive(writer, *i));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     try!(write_primitive(writer, tag.1.get_type().to_binary() as i8));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     try!(write_string(writer, tag.0));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     try!(write_value(writer, tag.1));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     Ok(try!(writer.flush()))
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |                     Box::new(try!(OpenOptions::new()
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         try!(OpenOptions::new()
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `convert`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(convert)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decode.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     reader: Box<Read>
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 136 -     reader: Box<Read>
[INFO] [stdout] 136 +     reader: Box<dyn Read>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |     writer: Box<Write>
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 78 -     writer: Box<Write>
[INFO] [stdout] 78 +     writer: Box<dyn Write>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/traits.rs:84:31
[INFO] [stdout]     |
[INFO] [stdout] 84  |     fn from_nbt(val: &Tag) -> Option<Self>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Option`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 84  |     fn from_nbt(val: &Tag) -> Option<Self> where Self: Sized;
[INFO] [stdout]     |                                            +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> src/lib.rs:79:32
[INFO] [stdout]     |
[INFO] [stdout] 79  |     fn from_bytes(d: &[u8]) -> Option<Self>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Option`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 79  |     fn from_bytes(d: &[u8]) -> Option<Self> where Self: Sized;
[INFO] [stdout]     |                                             +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nbt` due to 6 previous errors; 50 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8c7df68a0ecd369c6d46890431c286c15b25231f06a55f59039605f05acc605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7df68a0ecd369c6d46890431c286c15b25231f06a55f59039605f05acc605d", kill_on_drop: false }`
[INFO] [stdout] 8c7df68a0ecd369c6d46890431c286c15b25231f06a55f59039605f05acc605d