[INFO] crate ei 0.1.2 is already in cache
[INFO] extracting crate ei 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/ei/0.1.2
[INFO] extracting crate ei 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ei/0.1.2
[INFO] validating manifest of ei-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ei-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ei-0.1.2
[INFO] finished frobbing ei-0.1.2
[INFO] frobbed toml for ei-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ei/0.1.2/Cargo.toml
[INFO] started frobbing ei-0.1.2
[INFO] finished frobbing ei-0.1.2
[INFO] frobbed toml for ei-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ei/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ei-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ei/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 207a2b3c72907c773bf3b4c6cd0cfc1cde5153cb54bef8ce84a69da21615d158
[INFO] running `"docker" "start" "-a" "207a2b3c72907c773bf3b4c6cd0cfc1cde5153cb54bef8ce84a69da21615d158"`
[INFO] [stderr]    Compiling ei v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn recv_challenge_reply(r: &mut io::Read, expected: &[u8]) -> Result<u32, error::Error> {
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn recv_version(r: &mut io::Read) -> Result<u16, error::Error> {
[INFO] [stderr]    |                         ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:83:27
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn send_challenge(w: &mut io::Write, name: &str, version: u16, challenge: u32) -> Result<(), error::Error> {
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/connect.rs:105:31
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn send_challenge_ack(w: &mut io::Write, digest: &[u8]) -> Result<(), error::Error> {
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/connect.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn send_status(w: &mut io::Write, status: &str) -> Result<(), error::Error> {
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decoder.rs:12:54
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn decode<T: rustc_serialize::Decodable>(r: &mut io::Read) -> Result<T, error::Error> {
[INFO] [stderr]    |                                                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decoder.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |     r: &'a mut io::Read,
[INFO] [stderr]    |                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn read_num(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:264:20
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn read_u8(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:268:21
[INFO] [stderr]     |
[INFO] [stderr] 268 | fn read_i27(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:272:27
[INFO] [stderr]     |
[INFO] [stderr] 272 | fn read_small_big(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:286:24
[INFO] [stderr]     |
[INFO] [stderr] 286 | fn read_string(r: &mut io::Read) -> Result<String, error::Error> {
[INFO] [stderr]     |                        ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn read_atom(r: &mut io::Read) -> Result<term::Atom, error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 | fn read_msg(r: &mut io::Read) -> Result<term::Msg, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:362:21
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn read_pid(r: &mut io::Read) -> Result<term::Pid, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:378:22
[INFO] [stderr]     |
[INFO] [stderr] 378 | fn read_port(r: &mut io::Read) -> Result<term::Port, error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 | fn read_ref(r: &mut io::Read) -> Result<term::Ref, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:416:32
[INFO] [stderr]     |
[INFO] [stderr] 416 |     fn r(&mut self) -> &'a mut io::Read;
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:421:32
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn r(&mut self) -> &'a mut io::Read {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:13:54
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn encode<T: rustc_serialize::Encodable>(w: &mut io::Write, t: &T) -> Result<(), error::Error> {
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     w: &'a mut io::Write,
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:230:21
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn write_u8(w: &mut io::Write, v: u8) -> Result<(), error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:234:22
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn write_i27(w: &mut io::Write, v: i32) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:238:28
[INFO] [stderr]     |
[INFO] [stderr] 238 | fn write_small_big(w: &mut io::Write, s: u8, v: u64) -> Result<(), error::Error> {
[INFO] [stderr]     |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:250:22
[INFO] [stderr]     |
[INFO] [stderr] 250 | fn write_str(w: &mut io::Write, v: &str, len: usize) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn write_atom(w: &mut io::Write, v: &term::Atom) -> Result<(), error::Error> {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:277:22
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn write_msg(w: &mut io::Write, v: &term::Msg) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:328:22
[INFO] [stderr]     |
[INFO] [stderr] 328 | fn write_pid(w: &mut io::Write, v: &term::Pid) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:349:23
[INFO] [stderr]     |
[INFO] [stderr] 349 | fn write_port(w: &mut io::Write, v: &term::Port) -> Result<(), error::Error> {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:368:22
[INFO] [stderr]     |
[INFO] [stderr] 368 | fn write_ref(w: &mut io::Write, v: &term::Ref) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:394:32
[INFO] [stderr]     |
[INFO] [stderr] 394 |     fn w(&mut self) -> &'a mut io::Write;
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:399:32
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn w(&mut self) -> &'a mut io::Write {
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ports.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn recv(r: &mut io::Read) -> Result<io::Cursor<Vec<u8>>, error::Error> {
[INFO] [stderr]   |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ports.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn send(w: &mut io::Write, v: &[u8]) -> Result<(), error::Error> {
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handle.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     where F: FnMut(&mut io::Read) -> Result<Vec<u8>, error::Error> {
[INFO] [stderr]    |                         ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/fs.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if let Some(mut path) = env::home_dir() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Error::Io(ref e) => e.cause(),
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Error::FromUtf8(ref e) => e.cause(),
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "207a2b3c72907c773bf3b4c6cd0cfc1cde5153cb54bef8ce84a69da21615d158"`
[INFO] running `"docker" "rm" "-f" "207a2b3c72907c773bf3b4c6cd0cfc1cde5153cb54bef8ce84a69da21615d158"`
[INFO] [stdout] 207a2b3c72907c773bf3b4c6cd0cfc1cde5153cb54bef8ce84a69da21615d158
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ei/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 679b4dffff9d6ed4ae23d29fb156ffcb05371bfa37e36e870c94d06685e8fec9
[INFO] running `"docker" "start" "-a" "679b4dffff9d6ed4ae23d29fb156ffcb05371bfa37e36e870c94d06685e8fec9"`
[INFO] [stderr]    Compiling ei v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn recv_challenge_reply(r: &mut io::Read, expected: &[u8]) -> Result<u32, error::Error> {
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn recv_version(r: &mut io::Read) -> Result<u16, error::Error> {
[INFO] [stderr]    |                         ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connect.rs:83:27
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn send_challenge(w: &mut io::Write, name: &str, version: u16, challenge: u32) -> Result<(), error::Error> {
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/connect.rs:105:31
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn send_challenge_ack(w: &mut io::Write, digest: &[u8]) -> Result<(), error::Error> {
[INFO] [stderr]     |                               ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/connect.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn send_status(w: &mut io::Write, status: &str) -> Result<(), error::Error> {
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decoder.rs:12:54
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn decode<T: rustc_serialize::Decodable>(r: &mut io::Read) -> Result<T, error::Error> {
[INFO] [stderr]    |                                                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/decoder.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |     r: &'a mut io::Read,
[INFO] [stderr]    |                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn read_num(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:264:20
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn read_u8(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:268:21
[INFO] [stderr]     |
[INFO] [stderr] 268 | fn read_i27(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:272:27
[INFO] [stderr]     |
[INFO] [stderr] 272 | fn read_small_big(r: &mut io::Read) -> Result<Num, error::Error> {
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:286:24
[INFO] [stderr]     |
[INFO] [stderr] 286 | fn read_string(r: &mut io::Read) -> Result<String, error::Error> {
[INFO] [stderr]     |                        ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:290:22
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn read_atom(r: &mut io::Read) -> Result<term::Atom, error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:312:21
[INFO] [stderr]     |
[INFO] [stderr] 312 | fn read_msg(r: &mut io::Read) -> Result<term::Msg, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:362:21
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn read_pid(r: &mut io::Read) -> Result<term::Pid, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:378:22
[INFO] [stderr]     |
[INFO] [stderr] 378 | fn read_port(r: &mut io::Read) -> Result<term::Port, error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 | fn read_ref(r: &mut io::Read) -> Result<term::Ref, error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:416:32
[INFO] [stderr]     |
[INFO] [stderr] 416 |     fn r(&mut self) -> &'a mut io::Read;
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/decoder.rs:421:32
[INFO] [stderr]     |
[INFO] [stderr] 421 |     fn r(&mut self) -> &'a mut io::Read {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:13:54
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn encode<T: rustc_serialize::Encodable>(w: &mut io::Write, t: &T) -> Result<(), error::Error> {
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encoder.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     w: &'a mut io::Write,
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:230:21
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn write_u8(w: &mut io::Write, v: u8) -> Result<(), error::Error> {
[INFO] [stderr]     |                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:234:22
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn write_i27(w: &mut io::Write, v: i32) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:238:28
[INFO] [stderr]     |
[INFO] [stderr] 238 | fn write_small_big(w: &mut io::Write, s: u8, v: u64) -> Result<(), error::Error> {
[INFO] [stderr]     |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:250:22
[INFO] [stderr]     |
[INFO] [stderr] 250 | fn write_str(w: &mut io::Write, v: &str, len: usize) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:256:23
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn write_atom(w: &mut io::Write, v: &term::Atom) -> Result<(), error::Error> {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:277:22
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn write_msg(w: &mut io::Write, v: &term::Msg) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:328:22
[INFO] [stderr]     |
[INFO] [stderr] 328 | fn write_pid(w: &mut io::Write, v: &term::Pid) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:349:23
[INFO] [stderr]     |
[INFO] [stderr] 349 | fn write_port(w: &mut io::Write, v: &term::Port) -> Result<(), error::Error> {
[INFO] [stderr]     |                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:368:22
[INFO] [stderr]     |
[INFO] [stderr] 368 | fn write_ref(w: &mut io::Write, v: &term::Ref) -> Result<(), error::Error> {
[INFO] [stderr]     |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:394:32
[INFO] [stderr]     |
[INFO] [stderr] 394 |     fn w(&mut self) -> &'a mut io::Write;
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/encoder.rs:399:32
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn w(&mut self) -> &'a mut io::Write {
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ports.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn recv(r: &mut io::Read) -> Result<io::Cursor<Vec<u8>>, error::Error> {
[INFO] [stderr]   |                     ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ports.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn send(w: &mut io::Write, v: &[u8]) -> Result<(), error::Error> {
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/handle.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     where F: FnMut(&mut io::Read) -> Result<Vec<u8>, error::Error> {
[INFO] [stderr]    |                         ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/fs.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if let Some(mut path) = env::home_dir() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Error::Io(ref e) => e.cause(),
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Error::FromUtf8(ref e) => e.cause(),
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `"docker" "inspect" "679b4dffff9d6ed4ae23d29fb156ffcb05371bfa37e36e870c94d06685e8fec9"`
[INFO] running `"docker" "rm" "-f" "679b4dffff9d6ed4ae23d29fb156ffcb05371bfa37e36e870c94d06685e8fec9"`
[INFO] [stdout] 679b4dffff9d6ed4ae23d29fb156ffcb05371bfa37e36e870c94d06685e8fec9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ei/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 84fd750a34fca7c49a788fce128182001e14881017f12670c4352881935a7b84
[INFO] running `"docker" "start" "-a" "84fd750a34fca7c49a788fce128182001e14881017f12670c4352881935a7b84"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ei-c83a8fe99ea18046
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test decoder::tests::decode_atom ... ok
[INFO] [stdout] test decoder::tests::decode_i16 ... ok
[INFO] [stdout] test decoder::tests::decode_f64 ... ok
[INFO] [stdout] test decoder::tests::decode_i8 ... ok
[INFO] [stdout] test decoder::tests::decode_ref ... ok
[INFO] [stdout] test decoder::tests::decode_port ... ok
[INFO] [stdout] test decoder::tests::decode_i64 ... ok
[INFO] [stdout] test decoder::tests::decode_pid ... ok
[INFO] [stdout] test decoder::tests::decode_msg ... ok
[INFO] [stdout] test decoder::tests::decode_i32 ... ok
[INFO] [stdout] test decoder::tests::decode_map ... ok
[INFO] [stdout] test decoder::tests::decode_str ... ok
[INFO] [stdout] test decoder::tests::decode_tuple ... ok
[INFO] [stdout] test decoder::tests::decode_seq ... ok
[INFO] [stdout] test encoder::tests::encode_atom ... ok
[INFO] [stdout] test decoder::tests::decode_u8 ... ok
[INFO] [stdout] test decoder::tests::decode_u16 ... ok
[INFO] [stdout] test decoder::tests::encode_bool ... ok
[INFO] [stdout] test decoder::tests::decode_u64 ... ok
[INFO] [stdout] test decoder::tests::decode_u32 ... ok
[INFO] [stdout] test decoder::tests::decode_trace ... ok
[INFO] [stdout] test encoder::tests::encode_i16 ... ok
[INFO] [stdout] test encoder::tests::encode_pid ... ok
[INFO] [stdout] test encoder::tests::encode_map ... ok
[INFO] [stdout] test encoder::tests::encode_f64 ... ok
[INFO] [stdout] test encoder::tests::encode_bool ... ok
[INFO] [stdout] test encoder::tests::encode_i64 ... ok
[INFO] [stdout] test encoder::tests::encode_port ... ok
[INFO] [stdout] test encoder::tests::encode_i8 ... ok
[INFO] [stdout] test encoder::tests::encode_ref ... ok
[INFO] [stdout] test encoder::tests::encode_seq ... ok
[INFO] [stdout] test encoder::tests::encode_tuple ... ok
[INFO] [stdout] test encoder::tests::encode_trace ... ok
[INFO] [stdout] test encoder::tests::encode_u16 ... ok
[INFO] [stdout] test encoder::tests::encode_i32 ... ok
[INFO] [stdout] test encoder::tests::encode_u64 ... ok
[INFO] [stdout] test net::tests::read::read_f32 ... ok
[INFO] [stdout] test net::tests::read::read_f64 ... ok
[INFO] [stdout] test encoder::tests::encode_str ... ok
[INFO] [stdout] test encoder::tests::encode_u8 ... ok
[INFO] [stdout] test encoder::tests::encode_u32 ... ok
[INFO] [stdout] test net::tests::read::read_i64 ... ok
[INFO] [stdout] test net::tests::read::read_i8 ... ok
[INFO] [stdout] test net::tests::read::read_i16 ... ok
[INFO] [stdout] test net::tests::read::read_i32 ... ok
[INFO] [stdout] test net::tests::read::read_u8 ... ok
[INFO] [stdout] test net::tests::read::read_u32 ... ok
[INFO] [stdout] test net::tests::read::read_u64 ... ok
[INFO] [stdout] test net::tests::read::read_u16 ... ok
[INFO] [stdout] test net::tests::write::write_f32 ... ok
[INFO] [stdout] test encoder::tests::encode_msg ... ok
[INFO] [stdout] test net::tests::write::write_f64 ... ok
[INFO] [stdout] test net::tests::write::write_i32 ... ok
[INFO] [stdout] test net::tests::write::write_u8 ... ok
[INFO] [stdout] test net::tests::write::write_i8 ... ok
[INFO] [stdout] test net::tests::write::write_u16 ... ok
[INFO] [stdout] test net::tests::write::write_u32 ... ok
[INFO] [stdout] test net::tests::write::write_i64 ... ok
[INFO] [stdout] test net::tests::write::write_u64 ... ok
[INFO] [stdout] test net::tests::write::write_i16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ei
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "84fd750a34fca7c49a788fce128182001e14881017f12670c4352881935a7b84"`
[INFO] running `"docker" "rm" "-f" "84fd750a34fca7c49a788fce128182001e14881017f12670c4352881935a7b84"`
[INFO] [stdout] 84fd750a34fca7c49a788fce128182001e14881017f12670c4352881935a7b84