[INFO] fetching crate ber 0.0.6...
[INFO] testing ber-0.0.6 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ber 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ber 0.0.6 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 ber 0.0.6
[INFO] finished tweaking crates.io crate ber 0.0.6
[INFO] tweaked toml for crates.io crate ber 0.0.6 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 21d85dab2011e7f649700ade78ea23c010646eda78a3ce55dc13552744076b4c
[INFO] running `Command { std: "docker" "start" "-a" "21d85dab2011e7f649700ade78ea23c010646eda78a3ce55dc13552744076b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21d85dab2011e7f649700ade78ea23c010646eda78a3ce55dc13552744076b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d85dab2011e7f649700ade78ea23c010646eda78a3ce55dc13552744076b4c", kill_on_drop: false }`
[INFO] [stdout] 21d85dab2011e7f649700ade78ea23c010646eda78a3ce55dc13552744076b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 857ad59355e8248ef82b399e09b0fbb1412f9589a10e39a35f176b9cf5d1e8f4
[INFO] running `Command { std: "docker" "start" "-a" "857ad59355e8248ef82b399e09b0fbb1412f9589a10e39a35f176b9cf5d1e8f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ber v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stdout]   --> src/err.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Byteorder(byteorder::Error),
[INFO] [stdout]    |                          ^^^^^ not found in `byteorder`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stdout]   --> src/err.rs:76:22
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl From<byteorder::Error> for Error {
[INFO] [stdout]    |                      ^^^^^ not found in `byteorder`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stdout]   --> src/err.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn from (err: byteorder::Error) -> Error {
[INFO] [stdout]    |                              ^^^^^ not found in `byteorder`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use err::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stdout]    --> src/tag.rs:311:68
[INFO] [stdout]     |
[INFO] [stdout] 311 | fn write_length (mut w: &mut Write, length: &Length) -> byteorder::Result<()> {
[INFO] [stdout]     |                                                                    ^^^^^^ not found in `byteorder`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::fmt::Result;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::result::Result;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::thread::Result;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use tag::io::Result;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let b = try!(r.read_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/tag.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let b = try!(r.read_u8());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:186:33
[INFO] [stdout]     |
[INFO] [stdout] 186 |             Number::Application(try!(maybe_read_extended_number(number, r))),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:188:37
[INFO] [stdout]     |
[INFO] [stdout] 188 |             Number::ContextSpecific(try!(maybe_read_extended_number(number, r))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:190:29
[INFO] [stdout]     |
[INFO] [stdout] 190 |             Number::Private(try!(maybe_read_extended_number(number, r))),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let b = try!(r.read_u8());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:213:21
[INFO] [stdout]     |
[INFO] [stdout] 213 |             let b = try!(r.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             try!(r.read(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let child = try!(Tag::inner_read(r));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         try!(w.write_u8(b));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     try!(w.write_u8(b));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:304:41
[INFO] [stdout]     |
[INFO] [stdout] 304 |             Number::Private(ref num) => try!(maybe_write_extended_number(w, *num)),
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:330:17
[INFO] [stdout]     |
[INFO] [stdout] 330 |                 try!(w.write_u8(count | 0x80));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |                     try!(w.write_u8(byte));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:351:17
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 try!(tag.write(w));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:413:9
[INFO] [stdout]     |
[INFO] [stdout] 413 |         try!(write_identifiers(w, &class, &flavor, &self.number));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         try!(write_length(w, &length));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tag.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |         try!(write_payload(w, &self.payload));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let count = try!(self.inner.read(buf));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/err.rs:44:65
[INFO] [stdout]    |
[INFO] [stdout] 44 |         write!(f, "error at {}: {}", self.offset, error::Error::description(self))
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/err.rs:54:46
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Kind::Io(ref x) => error::Error::description(x),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/err.rs:55:53
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Kind::Byteorder(ref x) => error::Error::description(x),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |     inner:      &'a mut (Read + 'a),
[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] 4 -     inner:      &'a mut (Read + 'a),
[INFO] [stdout] 4 +     inner:      &'a mut (dyn Read + 'a),
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/err.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn cause (&self) -> Option<&error::Error> {
[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] 59 -     fn cause (&self) -> Option<&error::Error> {
[INFO] [stdout] 59 +     fn cause (&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn read_extended_number (mut r: &mut Read) -> Result<i64, err::Error> {
[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] 141 - fn read_extended_number (mut r: &mut Read) -> Result<i64, err::Error> {
[INFO] [stdout] 141 + fn read_extended_number (mut r: &mut dyn Read) -> Result<i64, err::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:161:47
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn maybe_read_extended_number (b: i8, r: &mut Read) -> Result<i64, err::Error> {
[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] 161 - fn maybe_read_extended_number (b: i8, r: &mut Read) -> Result<i64, err::Error> {
[INFO] [stdout] 161 + fn maybe_read_extended_number (b: i8, r: &mut dyn Read) -> Result<i64, err::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:169:34
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn read_identifiers (mut r: &mut Read) -> Result<(Class, Flavor, Number), err::Error> {
[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] 169 - fn read_identifiers (mut r: &mut Read) -> Result<(Class, Flavor, Number), err::Error> {
[INFO] [stdout] 169 + fn read_identifiers (mut r: &mut dyn Read) -> Result<(Class, Flavor, Number), err::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:196:29
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn read_length (mut r: &mut Read) -> Result<Length, err::Error> {
[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] 196 - fn read_length (mut r: &mut Read) -> Result<Length, err::Error> {
[INFO] [stdout] 196 + fn read_length (mut r: &mut dyn Read) -> Result<Length, err::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:261:39
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn write_extended_number (mut w: &mut Write, mut num: i64) -> io::Result<()> {
[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] 261 - fn write_extended_number (mut w: &mut Write, mut num: i64) -> io::Result<()> {
[INFO] [stdout] 261 + fn write_extended_number (mut w: &mut dyn Write, mut num: i64) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:277:41
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn maybe_write_extended_number (w: &mut Write, num: i64) -> io::Result<()> {
[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] 277 - fn maybe_write_extended_number (w: &mut Write, num: i64) -> io::Result<()> {
[INFO] [stdout] 277 + fn maybe_write_extended_number (w: &mut dyn Write, num: i64) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:285:35
[INFO] [stdout]     |
[INFO] [stdout] 285 | fn write_identifiers (mut w: &mut Write, class: &Class, flavor: &Flavor, number: &Number) -> io::Result<()> {
[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] 285 - fn write_identifiers (mut w: &mut Write, class: &Class, flavor: &Flavor, number: &Number) -> io::Result<()> {
[INFO] [stdout] 285 + fn write_identifiers (mut w: &mut dyn Write, class: &Class, flavor: &Flavor, number: &Number) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:311:30
[INFO] [stdout]     |
[INFO] [stdout] 311 | fn write_length (mut w: &mut Write, length: &Length) -> byteorder::Result<()> {
[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] 311 - fn write_length (mut w: &mut Write, length: &Length) -> byteorder::Result<()> {
[INFO] [stdout] 311 + fn write_length (mut w: &mut dyn Write, length: &Length) -> byteorder::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:344:31
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn write_payload (mut w: &mut Write, payload: &Payload) -> io::Result<()> {
[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] 344 - fn write_payload (mut w: &mut Write, payload: &Payload) -> io::Result<()> {
[INFO] [stdout] 344 + fn write_payload (mut w: &mut dyn Write, payload: &Payload) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:396:26
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn read (r: &mut Read) -> Result<Tag, err::Error> {
[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] 396 -     pub fn read (r: &mut Read) -> Result<Tag, err::Error> {
[INFO] [stdout] 396 +     pub fn read (r: &mut dyn Read) -> Result<Tag, err::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tag.rs:400:38
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn write (&self, mut w: &mut Write) -> io::Result<()> {
[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] 400 -     pub fn write (&self, mut w: &mut Write) -> io::Result<()> {
[INFO] [stdout] 400 +     pub fn write (&self, mut w: &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/util.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new (inner: &'a mut (Read + 'a)) -> TrackedRead<'a> {
[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] 9 -     pub fn new (inner: &'a mut (Read + 'a)) -> TrackedRead<'a> {
[INFO] [stdout] 9 +     pub fn new (inner: &'a mut (dyn Read + 'a)) -> TrackedRead<'a> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ber` due to 5 previous errors; 36 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "857ad59355e8248ef82b399e09b0fbb1412f9589a10e39a35f176b9cf5d1e8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857ad59355e8248ef82b399e09b0fbb1412f9589a10e39a35f176b9cf5d1e8f4", kill_on_drop: false }`
[INFO] [stdout] 857ad59355e8248ef82b399e09b0fbb1412f9589a10e39a35f176b9cf5d1e8f4