[INFO] cloning repository https://github.com/rmohta/rustcap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmohta/rustcap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmohta%2Frustcap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmohta%2Frustcap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 487e8a160ba1b6666384f6d888d9515d4088afcc
[INFO] checking rmohta/rustcap against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmohta%2Frustcap" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rmohta/rustcap
[INFO] finished tweaking git repo https://github.com/rmohta/rustcap
[INFO] tweaked toml for git repo https://github.com/rmohta/rustcap written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rmohta/rustcap on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rmohta/rustcap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rustcap` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6
[INFO] running `Command { std: "docker" "start" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rustcap` (manifest) generated 1 warning
[INFO] [stderr]     Checking rustcap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::MemReader`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::MemReader;
[INFO] [stdout]   |     ^^^^^^^^^---------
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 4 - use std::io::MemReader;
[INFO] [stdout] 4 + use std::io::BufReader;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::args`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os::args;
[INFO] [stdout]   |     ^^^^^^^^^----
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `args` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::MemReader`
[INFO] [stdout]  --> src/pretty_hex.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::MemReader;
[INFO] [stdout]   |     ^^^^^^^^^---------
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::io::MemReader;
[INFO] [stdout] 2 + use std::io::BufReader;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::io::MemReader;
[INFO] [stdout] 2 + use MemReader;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemReader`, `std::io::SeekSet`, `std::io::IoResult`, `std::io::IoError`
[INFO] [stdout]  --> src/dump_decoder.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^^^^^  ^^^^^^^ no `IoError` in `io`
[INFO] [stdout]   |               |          |        |
[INFO] [stdout]   |               |          |        no `IoResult` in `io`
[INFO] [stdout]   |               |          no `SeekSet` in `io`
[INFO] [stdout]   |               no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           MemReader
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout] 1 + use std::io::{BufReader, SeekSet, IoResult, IoError};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekSet, Result, IoError};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekSet, IoResult, Error};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::InvalidInput`, `std::io::MismatchedFileTypeForOperation`
[INFO] [stdout]  --> src/dump_decoder.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{InvalidInput, MismatchedFileTypeForOperation};
[INFO] [stdout]   |               ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `MismatchedFileTypeForOperation` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `InvalidInput` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           std::io::ErrorKind::InvalidInput
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `prototype::BigEndian`, `prototype::LittleEndian`, `prototype::Unknown`
[INFO] [stdout]  --> src/dump_decoder.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use prototype::{Descriptor, Endianness, BigEndian, LittleEndian, Unknown};
[INFO] [stdout]   |                                         ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^ no `Unknown` in `prototype`
[INFO] [stdout]   |                                         |          |
[INFO] [stdout]   |                                         |          no `LittleEndian` in `prototype`
[INFO] [stdout]   |                                         no `BigEndian` in `prototype`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::BigEndian
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::LittleEndian
[INFO] [stdout]   = help: consider importing one of these variants instead:
[INFO] [stdout]           std::os::unix::net::AncillaryError::Unknown
[INFO] [stdout]           prototype::Endianness::Unknown
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemReader`, `std::io::SeekCur`, `std::io::SeekSet`, `std::io::IoResult`, `std::io::IoError`, `std::io::InvalidInput`
[INFO] [stdout]  --> src/rec_descriptor.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^ no `InvalidInput` in `io`
[INFO] [stdout]   |               |          |        |        |         |
[INFO] [stdout]   |               |          |        |        |         no `IoError` in `io`
[INFO] [stdout]   |               |          |        |        no `IoResult` in `io`
[INFO] [stdout]   |               |          |        no `SeekSet` in `io`
[INFO] [stdout]   |               |          no `SeekCur` in `io`
[INFO] [stdout]   |               no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           MemReader
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           std::io::ErrorKind::InvalidInput
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout] 1 + use std::io::{BufReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekCur, SeekSet, Result, IoError, InvalidInput};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekCur, SeekSet, IoResult, Error, InvalidInput};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `prototype::LittleEndian`, `prototype::BigEndian`, `prototype::Unknown`
[INFO] [stdout]  --> src/rec_descriptor.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prototype::{Descriptor, Endianness, LittleEndian, BigEndian, Unknown};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^ no `Unknown` in `prototype`
[INFO] [stdout]   |                                         |             |
[INFO] [stdout]   |                                         |             no `BigEndian` in `prototype`
[INFO] [stdout]   |                                         no `LittleEndian` in `prototype`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::LittleEndian
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::BigEndian
[INFO] [stdout]   = help: consider importing one of these variants instead:
[INFO] [stdout]           std::os::unix::net::AncillaryError::Unknown
[INFO] [stdout]           prototype::Endianness::Unknown
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemReader`, `std::io::IoResult`
[INFO] [stdout]  --> src/prototype.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{MemReader, IoResult};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^ no `IoResult` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           MemReader
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, IoResult};
[INFO] [stdout] 1 + use std::io::{BufReader, IoResult};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, IoResult};
[INFO] [stdout] 1 + use std::io::{MemReader, Result};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let magic = try!(self.dump.read_le_u32());
[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/dump_decoder.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 self.version_major = try!(self.dump.read_le_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 self.version_minor = try!(self.dump.read_le_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 self.thiszone      = try!(self.dump.read_le_i32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 self.sigfigs       = try!(self.dump.read_le_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 self.snaplen       = try!(self.dump.read_le_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.network       = try!(self.dump.read_le_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:61:38
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 self.version_major = try!(self.dump.read_be_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 self.version_minor = try!(self.dump.read_be_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 self.thiszone      = try!(self.dump.read_be_i32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:64:38
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 self.sigfigs       = try!(self.dump.read_be_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 self.snaplen       = try!(self.dump.read_be_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 self.network       = try!(self.dump.read_be_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             try!(i.init(&mut self.dump, self.endian));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/rec_descriptor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 self.ts_sec   = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 self.ts_usec  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 self.pl_size  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 self.orig_len = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 self.pl_begin = try!(reader.tell());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 self.ts_sec   = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 self.ts_usec  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 self.pl_size  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 self.orig_len = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 self.pl_begin = try!(reader.tell());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rec_descriptor.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pl_desc  : Option<Box<Descriptor>>, /* Payload descriptor */
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pl_desc  : Option<Box<dyn Descriptor>>, /* Payload descriptor */
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::MemReader`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::MemReader;
[INFO] [stdout]   |     ^^^^^^^^^---------
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 4 - use std::io::MemReader;
[INFO] [stdout] 4 + use std::io::BufReader;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::os::args`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::os::args;
[INFO] [stdout]   |     ^^^^^^^^^----
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `args` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::MemReader`
[INFO] [stdout]  --> src/pretty_hex.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::MemReader;
[INFO] [stdout]   |     ^^^^^^^^^---------
[INFO] [stdout]   |              |
[INFO] [stdout]   |              no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::io::MemReader;
[INFO] [stdout] 2 + use std::io::BufReader;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::io::MemReader;
[INFO] [stdout] 2 + use MemReader;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemReader`, `std::io::SeekSet`, `std::io::IoResult`, `std::io::IoError`
[INFO] [stdout]  --> src/dump_decoder.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^^^^^  ^^^^^^^ no `IoError` in `io`
[INFO] [stdout]   |               |          |        |
[INFO] [stdout]   |               |          |        no `IoResult` in `io`
[INFO] [stdout]   |               |          no `SeekSet` in `io`
[INFO] [stdout]   |               no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           MemReader
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout] 1 + use std::io::{BufReader, SeekSet, IoResult, IoError};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekSet, Result, IoError};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekSet, IoResult, IoError};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekSet, IoResult, Error};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::InvalidInput`, `std::io::MismatchedFileTypeForOperation`
[INFO] [stdout]  --> src/dump_decoder.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{InvalidInput, MismatchedFileTypeForOperation};
[INFO] [stdout]   |               ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `MismatchedFileTypeForOperation` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `InvalidInput` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           std::io::ErrorKind::InvalidInput
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `prototype::BigEndian`, `prototype::LittleEndian`, `prototype::Unknown`
[INFO] [stdout]  --> src/dump_decoder.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use prototype::{Descriptor, Endianness, BigEndian, LittleEndian, Unknown};
[INFO] [stdout]   |                                         ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^ no `Unknown` in `prototype`
[INFO] [stdout]   |                                         |          |
[INFO] [stdout]   |                                         |          no `LittleEndian` in `prototype`
[INFO] [stdout]   |                                         no `BigEndian` in `prototype`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::BigEndian
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::LittleEndian
[INFO] [stdout]   = help: consider importing one of these variants instead:
[INFO] [stdout]           std::os::unix::net::AncillaryError::Unknown
[INFO] [stdout]           prototype::Endianness::Unknown
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemReader`, `std::io::SeekCur`, `std::io::SeekSet`, `std::io::IoResult`, `std::io::IoError`, `std::io::InvalidInput`
[INFO] [stdout]  --> src/rec_descriptor.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^^ no `InvalidInput` in `io`
[INFO] [stdout]   |               |          |        |        |         |
[INFO] [stdout]   |               |          |        |        |         no `IoError` in `io`
[INFO] [stdout]   |               |          |        |        no `IoResult` in `io`
[INFO] [stdout]   |               |          |        no `SeekSet` in `io`
[INFO] [stdout]   |               |          no `SeekCur` in `io`
[INFO] [stdout]   |               no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           MemReader
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           std::io::ErrorKind::InvalidInput
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout] 1 + use std::io::{BufReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekCur, SeekSet, Result, IoError, InvalidInput};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, SeekCur, SeekSet, IoResult, IoError, InvalidInput};
[INFO] [stdout] 1 + use std::io::{MemReader, SeekCur, SeekSet, IoResult, Error, InvalidInput};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `prototype::LittleEndian`, `prototype::BigEndian`, `prototype::Unknown`
[INFO] [stdout]  --> src/rec_descriptor.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prototype::{Descriptor, Endianness, LittleEndian, BigEndian, Unknown};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^ no `Unknown` in `prototype`
[INFO] [stdout]   |                                         |             |
[INFO] [stdout]   |                                         |             no `BigEndian` in `prototype`
[INFO] [stdout]   |                                         no `LittleEndian` in `prototype`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::LittleEndian
[INFO] [stdout]   = help: consider importing this variant instead:
[INFO] [stdout]           prototype::Endianness::BigEndian
[INFO] [stdout]   = help: consider importing one of these variants instead:
[INFO] [stdout]           std::os::unix::net::AncillaryError::Unknown
[INFO] [stdout]           prototype::Endianness::Unknown
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::MemReader`, `std::io::IoResult`
[INFO] [stdout]  --> src/prototype.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{MemReader, IoResult};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^ no `IoResult` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `MemReader` in `io`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this unresolved item through its public re-export instead:
[INFO] [stdout]           MemReader
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, IoResult};
[INFO] [stdout] 1 + use std::io::{BufReader, IoResult};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 1 - use std::io::{MemReader, IoResult};
[INFO] [stdout] 1 + use std::io::{MemReader, Result};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let magic = try!(self.dump.read_le_u32());
[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/dump_decoder.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 self.version_major = try!(self.dump.read_le_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 self.version_minor = try!(self.dump.read_le_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 self.thiszone      = try!(self.dump.read_le_i32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 self.sigfigs       = try!(self.dump.read_le_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 self.snaplen       = try!(self.dump.read_le_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.network       = try!(self.dump.read_le_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:61:38
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 self.version_major = try!(self.dump.read_be_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 self.version_minor = try!(self.dump.read_be_u16());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 self.thiszone      = try!(self.dump.read_be_i32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:64:38
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 self.sigfigs       = try!(self.dump.read_be_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 self.snaplen       = try!(self.dump.read_be_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 self.network       = try!(self.dump.read_be_u32());
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dump_decoder.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             try!(i.init(&mut self.dump, self.endian));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/rec_descriptor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 self.ts_sec   = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 self.ts_usec  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 self.pl_size  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 self.orig_len = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 self.pl_begin = try!(reader.tell());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:45:33
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 self.ts_sec   = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 self.ts_usec  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 self.pl_size  = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 self.orig_len = try!(reader.read_le_u32());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rec_descriptor.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 self.pl_begin = try!(reader.tell());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/rec_descriptor.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pl_desc  : Option<Box<Descriptor>>, /* Payload descriptor */
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pl_desc  : Option<Box<dyn Descriptor>>, /* Payload descriptor */
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_end` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]   --> src/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |     match file.read_to_end() {
[INFO] [stdout]    |                ^^^^^^^^^^^ method not found in `Result<File, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcap` (bin "rustcap") due to 10 previous errors; 26 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `read_to_end` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]   --> src/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |     match file.read_to_end() {
[INFO] [stdout]    |                ^^^^^^^^^^^ method not found in `Result<File, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcap` (bin "rustcap" test) due to 10 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6", kill_on_drop: false }`
[INFO] [stdout] f7443bfd9aa1ab62027ef70a00f5ec93e9cfee84930f30253d484b614943f5d6
