[INFO] updating cached repository https://github.com/emoon/gdb-remote
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d2a48afcab2e5aeb947d47d8bb2351713e04ef2
[INFO] testing emoon/gdb-remote against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femoon%2Fgdb-remote" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emoon/gdb-remote on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emoon/gdb-remote
[INFO] finished tweaking git repo https://github.com/emoon/gdb-remote
[INFO] tweaked toml for git repo https://github.com/emoon/gdb-remote written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/emoon/gdb-remote already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bba39aa4f47f7f22daa9e8ba16d93dcc36c47f04165efbe807783bc224dc0211
[INFO] running `"docker" "start" "-a" "bba39aa4f47f7f22daa9e8ba16d93dcc36c47f04165efbe807783bc224dc0211"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling gdb_remote v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::compile_library("libpoll.a", &["poll.c"]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:22
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let stream = try!(TcpStream::connect(addr));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(stream.set_read_timeout(Some(Duration::from_secs(2))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(stream.read(&mut v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     try!(stream.write_all(resend_data.as_bytes()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(self.send_command(command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let len = try!(self.read_reply(&mut temp_buffer));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(Self::validate_checksum(&temp_buffer, len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |         let len = try!(self.send_command_wait_reply_raw(&mut res, "QStartNoAckMode"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, "g"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, &mem_req));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:231:12
[INFO] [stderr]     |
[INFO] [stderr] 231 |         Ok((len - 4))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:246:42
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn cont(&mut self) -> io::Result<(usize)> {
[INFO] [stderr]     |                                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:259:12
[INFO] [stderr]     |
[INFO] [stderr] 259 |         Ok((len))
[INFO] [stderr]     |            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok((len / 2))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:308:23
[INFO] [stderr]     |
[INFO] [stderr] 308 |             return Ok((0));
[INFO] [stderr]     |                       ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:382:16
[INFO] [stderr]     |
[INFO] [stderr] 382 |             Ok((data_len))
[INFO] [stderr]     |                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "bba39aa4f47f7f22daa9e8ba16d93dcc36c47f04165efbe807783bc224dc0211"`
[INFO] running `"docker" "rm" "-f" "bba39aa4f47f7f22daa9e8ba16d93dcc36c47f04165efbe807783bc224dc0211"`
[INFO] [stdout] bba39aa4f47f7f22daa9e8ba16d93dcc36c47f04165efbe807783bc224dc0211
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e452fb11538580ca49703814de1cb7f92530679bf96786fcd48fa815197227c2
[INFO] running `"docker" "start" "-a" "e452fb11538580ca49703814de1cb7f92530679bf96786fcd48fa815197227c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::compile_library("libpoll.a", &["poll.c"]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling gdb_remote v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:22
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let stream = try!(TcpStream::connect(addr));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(stream.set_read_timeout(Some(Duration::from_secs(2))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(stream.read(&mut v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     try!(stream.write_all(resend_data.as_bytes()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(self.send_command(command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let len = try!(self.read_reply(&mut temp_buffer));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(Self::validate_checksum(&temp_buffer, len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |         let len = try!(self.send_command_wait_reply_raw(&mut res, "QStartNoAckMode"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, "g"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, &mem_req));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:231:12
[INFO] [stderr]     |
[INFO] [stderr] 231 |         Ok((len - 4))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:246:42
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn cont(&mut self) -> io::Result<(usize)> {
[INFO] [stderr]     |                                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:259:12
[INFO] [stderr]     |
[INFO] [stderr] 259 |         Ok((len))
[INFO] [stderr]     |            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok((len / 2))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:308:23
[INFO] [stderr]     |
[INFO] [stderr] 308 |             return Ok((0));
[INFO] [stderr]     |                       ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:382:16
[INFO] [stderr]     |
[INFO] [stderr] 382 |             Ok((data_len))
[INFO] [stderr]     |                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:22
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let stream = try!(TcpStream::connect(addr));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(stream.set_read_timeout(Some(Duration::from_secs(2))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(stream.read(&mut v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     try!(stream.write_all(resend_data.as_bytes()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(self.send_command(command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let len = try!(self.read_reply(&mut temp_buffer));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(Self::validate_checksum(&temp_buffer, len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |         let len = try!(self.send_command_wait_reply_raw(&mut res, "QStartNoAckMode"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, "g"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, &mem_req));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:231:12
[INFO] [stderr]     |
[INFO] [stderr] 231 |         Ok((len - 4))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:246:42
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn cont(&mut self) -> io::Result<(usize)> {
[INFO] [stderr]     |                                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:259:12
[INFO] [stderr]     |
[INFO] [stderr] 259 |         Ok((len))
[INFO] [stderr]     |            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok((len / 2))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:308:23
[INFO] [stderr]     |
[INFO] [stderr] 308 |             return Ok((0));
[INFO] [stderr]     |                       ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:382:16
[INFO] [stderr]     |
[INFO] [stderr] 382 |             Ok((data_len))
[INFO] [stderr]     |                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "e452fb11538580ca49703814de1cb7f92530679bf96786fcd48fa815197227c2"`
[INFO] running `"docker" "rm" "-f" "e452fb11538580ca49703814de1cb7f92530679bf96786fcd48fa815197227c2"`
[INFO] [stdout] e452fb11538580ca49703814de1cb7f92530679bf96786fcd48fa815197227c2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39e81ffe93c115378086c23dda70ff4ecda418a6211e59d96e8c47323664d88d
[INFO] running `"docker" "start" "-a" "39e81ffe93c115378086c23dda70ff4ecda418a6211e59d96e8c47323664d88d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::compile_library("libpoll.a", &["poll.c"]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:22
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let stream = try!(TcpStream::connect(addr));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(stream.set_read_timeout(Some(Duration::from_secs(2))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(stream.read(&mut v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     try!(stream.write_all(resend_data.as_bytes()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(self.send_command(command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let len = try!(self.read_reply(&mut temp_buffer));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(Self::validate_checksum(&temp_buffer, len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |         let len = try!(self.send_command_wait_reply_raw(&mut res, "QStartNoAckMode"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, "g"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, &mem_req));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:231:12
[INFO] [stderr]     |
[INFO] [stderr] 231 |         Ok((len - 4))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:246:42
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn cont(&mut self) -> io::Result<(usize)> {
[INFO] [stderr]     |                                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:259:12
[INFO] [stderr]     |
[INFO] [stderr] 259 |         Ok((len))
[INFO] [stderr]     |            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok((len / 2))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:308:23
[INFO] [stderr]     |
[INFO] [stderr] 308 |             return Ok((0));
[INFO] [stderr]     |                       ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:382:16
[INFO] [stderr]     |
[INFO] [stderr] 382 |             Ok((data_len))
[INFO] [stderr]     |                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:22
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let stream = try!(TcpStream::connect(addr));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(stream.set_read_timeout(Some(Duration::from_secs(2))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(stream.read(&mut v));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     try!(stream.write_all(resend_data.as_bytes()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         try!(self.send_command(command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let len = try!(self.read_reply(&mut temp_buffer));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         try!(Self::validate_checksum(&temp_buffer, len));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:253:19
[INFO] [stderr]     |
[INFO] [stderr] 253 |         let len = try!(self.send_command_wait_reply_raw(&mut res, "QStartNoAckMode"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:264:19
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, "g"));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:325:23
[INFO] [stderr]     |
[INFO] [stderr] 325 |             let len = try!(self.send_command_wait_reply_raw(&mut temp_buffer, &mem_req));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:231:12
[INFO] [stderr]     |
[INFO] [stderr] 231 |         Ok((len - 4))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:246:42
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn cont(&mut self) -> io::Result<(usize)> {
[INFO] [stderr]     |                                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:259:12
[INFO] [stderr]     |
[INFO] [stderr] 259 |         Ok((len))
[INFO] [stderr]     |            ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |         Ok((len / 2))
[INFO] [stderr]     |            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:308:23
[INFO] [stderr]     |
[INFO] [stderr] 308 |             return Ok((0));
[INFO] [stderr]     |                       ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:382:16
[INFO] [stderr]     |
[INFO] [stderr] 382 |             Ok((data_len))
[INFO] [stderr]     |                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gdb_remote-64b2605a865cd662
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test incoming_result::tests::test_ok_string ... ok
[INFO] [stdout] test tests::test_memory_read_reply_without_connection ... ok
[INFO] [stdout] test incoming_result::tests::test_too_long_in_string ... ok
[INFO] [stdout] test incoming_result::tests::test_same_length ... ok
[INFO] [stdout] test incoming_result::tests::test_bad_data ... ok
[INFO] [stdout] test tests::convert_binary_to_hex_data_test ... ok
[INFO] [stdout] test tests::test_checksum_calc ... ok
[INFO] [stdout] test tests::test_memory_send_without_connection ... ok
[INFO] [stdout] test tests::test_connect ... ok
[INFO] [stdout] test tests::test_parse_memory_2 ... ok
[INFO] [stdout] test tests::test_process_string ... ok
[INFO] [stdout] test tests::test_default_zero_mem ... ok
[INFO] [stdout] test tests::test_cont ... ok
[INFO] [stdout] test tests::test_memory_error ... ok
[INFO] [stdout] test tests::test_memory_test_bad_server_data ... ok
[INFO] [stdout] test tests::test_registers ... ok
[INFO] [stdout] test tests::test_memory_no_ack ... ok
[INFO] [stdout] test tests::test_qsupported ... ok
[INFO] [stdout] test tests::test_memory_test_resend ... ok
[INFO] [stdout] test tests::test_parse_memory_1 ... ok
[INFO] [stdout] test tests::test_memory ... ok
[INFO] [stdout] test tests::test_validate_mem_wrong_checksum ... ok
[INFO] [stdout] test tests::test_memory_server_quit ... ok
[INFO] [stdout] test tests::test_remove_breakpoint ... ok
[INFO] [stdout] test tests::test_set_breakpoint ... ok
[INFO] [stdout] test tests::test_step ... ok
[INFO] [stdout] test tests::test_incoming ... ok
[INFO] [stdout] test tests::test_read_incoming ... ok
[INFO] [stderr]    Doc-tests gdb_remote
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:246:42
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn cont(&mut self) -> io::Result<(usize)> {
[INFO] [stderr]     |                                          ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "39e81ffe93c115378086c23dda70ff4ecda418a6211e59d96e8c47323664d88d"`
[INFO] running `"docker" "rm" "-f" "39e81ffe93c115378086c23dda70ff4ecda418a6211e59d96e8c47323664d88d"`
[INFO] [stdout] 39e81ffe93c115378086c23dda70ff4ecda418a6211e59d96e8c47323664d88d