[INFO] fetching crate ber 0.0.6...
[INFO] building ber-0.0.6 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate ber 0.0.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ber 0.0.6 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9558b87fb001a2e162225dce299b61c8364383e52dbe14f37e014eb5dae0d521
[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" "9558b87fb001a2e162225dce299b61c8364383e52dbe14f37e014eb5dae0d521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9558b87fb001a2e162225dce299b61c8364383e52dbe14f37e014eb5dae0d521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9558b87fb001a2e162225dce299b61c8364383e52dbe14f37e014eb5dae0d521", kill_on_drop: false }`
[INFO] [stdout] 9558b87fb001a2e162225dce299b61c8364383e52dbe14f37e014eb5dae0d521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc78d89217e6e58a52b0dc591b67894dcdf107b2cfa8c4ae0f91db27a5da444
[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" "adc78d89217e6e58a52b0dc591b67894dcdf107b2cfa8c4ae0f91db27a5da444", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 
[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] 
[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] 
[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::result::Result;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::thread::Result;
[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]    |                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                          ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                 ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:44:51
[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:54:32
[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:55:39
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Kind::Byteorder(ref x) => error::Error::description(x),
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "adc78d89217e6e58a52b0dc591b67894dcdf107b2cfa8c4ae0f91db27a5da444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc78d89217e6e58a52b0dc591b67894dcdf107b2cfa8c4ae0f91db27a5da444", kill_on_drop: false }`
[INFO] [stdout] adc78d89217e6e58a52b0dc591b67894dcdf107b2cfa8c4ae0f91db27a5da444
