[INFO] fetching crate rcon 0.1.0...
[INFO] checking rcon-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate rcon 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rcon 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rcon 0.1.0
[INFO] finished tweaking crates.io crate rcon 0.1.0
[INFO] tweaked toml for crates.io crate rcon 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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=forbid" "-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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a023b7063e8a97a5c1aa574cf3a155fe81b7d024d05e15a92ce8f243941ea4e
[INFO] running `"docker" "start" "-a" "1a023b7063e8a97a5c1aa574cf3a155fe81b7d024d05e15a92ce8f243941ea4e"`
[INFO] [stderr]     Checking rcon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(w.write_i32::<LE>(length as i32));
[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/packet.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         try!(w.write_i32::<LE>(self.id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         try!(w.write_i32::<LE>(self.ptype));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(write!(w, "{}", &self.body));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(w.write_u8(0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(w.write_u8(0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(w.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:92:22
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let length = try!(r.read_i32::<LE>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let id = try!(r.read_i32::<LE>());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let ptype = try!(r.read_i32::<LE>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         try!(r.take(body_length as u64).read_to_end(&mut body_buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(r.read_u8());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(r.read_u8());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let tcp_stream = try!(TcpStream::connect(address));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(conn.auth(password));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(self.send(PacketType::ExecCommand, cmd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let end_id = try!(self.send(PacketType::ExecCommand, ""));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |             let received_packet = try!(self.recv());
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(self.send(PacketType::Auth, password));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let received_packet = try!(self.recv());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(packet.serialize(&mut self.stream));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(w.write_i32::<LE>(length as i32));
[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/packet.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         try!(w.write_i32::<LE>(self.id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         try!(w.write_i32::<LE>(self.ptype));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         try!(write!(w, "{}", &self.body));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(w.write_u8(0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(w.write_u8(0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(w.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:92:22
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let length = try!(r.read_i32::<LE>());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let id = try!(r.read_i32::<LE>());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/packet.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let ptype = try!(r.read_i32::<LE>());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         try!(r.take(body_length as u64).read_to_end(&mut body_buffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(r.read_u8());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/packet.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(r.read_u8());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let tcp_stream = try!(TcpStream::connect(address));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(conn.auth(password));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(self.send(PacketType::ExecCommand, cmd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let end_id = try!(self.send(PacketType::ExecCommand, ""));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |             let received_packet = try!(self.recv());
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(self.send(PacketType::Auth, password));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let received_packet = try!(self.recv());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(packet.serialize(&mut self.stream));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "1a023b7063e8a97a5c1aa574cf3a155fe81b7d024d05e15a92ce8f243941ea4e"`
[INFO] running `"docker" "rm" "-f" "1a023b7063e8a97a5c1aa574cf3a155fe81b7d024d05e15a92ce8f243941ea4e"`
[INFO] [stdout] 1a023b7063e8a97a5c1aa574cf3a155fe81b7d024d05e15a92ce8f243941ea4e