[INFO] fetching crate maddr 0.3.1...
[INFO] testing maddr-0.3.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate maddr 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate maddr 0.3.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maddr 0.3.1
[INFO] finished tweaking crates.io crate maddr 0.3.1
[INFO] tweaked toml for crates.io crate maddr 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bs58 v0.2.5
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded varmint v0.1.3
[INFO] [stderr]   Downloaded mhash v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 430f6fae73ced64f57ba39dadbaabd6a26f763f9a4d98a2ec445c3ff5dae49cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "430f6fae73ced64f57ba39dadbaabd6a26f763f9a4d98a2ec445c3ff5dae49cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430f6fae73ced64f57ba39dadbaabd6a26f763f9a4d98a2ec445c3ff5dae49cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430f6fae73ced64f57ba39dadbaabd6a26f763f9a4d98a2ec445c3ff5dae49cb", kill_on_drop: false }`
[INFO] [stdout] 430f6fae73ced64f57ba39dadbaabd6a26f763f9a4d98a2ec445c3ff5dae49cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b9406384e1ca170888a084e6fd862f520a9fa544da0cd92a57518057246b77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2b9406384e1ca170888a084e6fd862f520a9fa544da0cd92a57518057246b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling varmint v0.1.3
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling mhash v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling maddr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/display.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(write!(f, "/{}", self.name()));
[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/display.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 try!(write!(f, "/{}", addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 try!(write!(f, "/{}", addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 try!(write!(f, "/{}", port));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 try!(write!(f, "/{}", multihash));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             try!(write!(f, "{}", segment));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(f.write_str("MultiAddr(\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(fmt::Display::fmt(self, f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         try!(f.write_str("\")"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(f.write_str("Segment(\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(fmt::Display::fmt(self, f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(f.write_str("\")"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 |         while let Some(segment) = try!(segment_from_strs(&mut strs)) {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if try!(self.read(&mut buffer)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             4 => IP4(try!(self.read_ipv4addr())),
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |             6 => Tcp(try!(self.read_u16_be())),
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             17 => Udp(try!(self.read_u16_be())),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             33 => Dccp(try!(self.read_u16_be())),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             41 => IP6(try!(self.read_ipv6addr())),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |             132 => Sctp(try!(self.read_u16_be())),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 try!(hash_bytes.check_empty());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 let length = try!(self.read_u64_varint());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let multihash = try!(hash_bytes.read_multihash());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(code) = try!(self.try_read_u64_varint()) {
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Ok(Some(try!(self.read_segment(code))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(self.check_empty());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:124:35
[INFO] [stdout]     |
[INFO] [stdout] 124 |         while let Some(segment) = try!(self.try_read_segment()) {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(self.write_all(&[val]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.write_all(&[((val >> 8) & 0xFF) as u8, (val & 0xFF) as u8]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.write_all(&addr.octets()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.write_all(&addr.octets()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(self.write_u64_varint(segment.code()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(self.write_ipv4addr(addr)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(self.write_ipv6addr(addr)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(self.write_u16_be(port)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(self.write_usize_varint(multihash.output_len()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 try!(self.write_multihash(multihash));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             try!(self.write_segment(segment));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         foreign_links {
[INFO] [stdout] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stdout] 15 | |             Num(num::ParseIntError);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         foreign_links {
[INFO] [stdout] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stdout] 15 | |             Num(num::ParseIntError);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.72s
[INFO] running `Command { std: "docker" "inspect" "d2b9406384e1ca170888a084e6fd862f520a9fa544da0cd92a57518057246b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b9406384e1ca170888a084e6fd862f520a9fa544da0cd92a57518057246b77", kill_on_drop: false }`
[INFO] [stdout] d2b9406384e1ca170888a084e6fd862f520a9fa544da0cd92a57518057246b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f62daaa52037299df7f53a70c72fcf6c2908ce7bbf2f000d239ee4dc0a79fc2a
[INFO] running `Command { std: "docker" "start" "-a" "f62daaa52037299df7f53a70c72fcf6c2908ce7bbf2f000d239ee4dc0a79fc2a", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/display.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(write!(f, "/{}", self.name()));
[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/display.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 try!(write!(f, "/{}", addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 try!(write!(f, "/{}", addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 try!(write!(f, "/{}", port));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 try!(write!(f, "/{}", multihash));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             try!(write!(f, "{}", segment));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(f.write_str("MultiAddr(\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(fmt::Display::fmt(self, f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         try!(f.write_str("\")"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(f.write_str("Segment(\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(fmt::Display::fmt(self, f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(f.write_str("\")"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 |         while let Some(segment) = try!(segment_from_strs(&mut strs)) {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if try!(self.read(&mut buffer)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             4 => IP4(try!(self.read_ipv4addr())),
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |             6 => Tcp(try!(self.read_u16_be())),
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             17 => Udp(try!(self.read_u16_be())),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             33 => Dccp(try!(self.read_u16_be())),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             41 => IP6(try!(self.read_ipv6addr())),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |             132 => Sctp(try!(self.read_u16_be())),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 try!(hash_bytes.check_empty());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 let length = try!(self.read_u64_varint());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let multihash = try!(hash_bytes.read_multihash());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(code) = try!(self.try_read_u64_varint()) {
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Ok(Some(try!(self.read_segment(code))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(self.check_empty());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:124:35
[INFO] [stdout]     |
[INFO] [stdout] 124 |         while let Some(segment) = try!(self.try_read_segment()) {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(self.write_all(&[val]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.write_all(&[((val >> 8) & 0xFF) as u8, (val & 0xFF) as u8]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.write_all(&addr.octets()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.write_all(&addr.octets()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(self.write_u64_varint(segment.code()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(self.write_ipv4addr(addr)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(self.write_ipv6addr(addr)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(self.write_u16_be(port)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(self.write_usize_varint(multihash.output_len()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 try!(self.write_multihash(multihash));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             try!(self.write_segment(segment));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         foreign_links {
[INFO] [stdout] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stdout] 15 | |             Num(num::ParseIntError);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling maddr v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         foreign_links {
[INFO] [stdout] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stdout] 15 | |             Num(num::ParseIntError);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/display.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         try!(write!(f, "/{}", self.name()));
[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/display.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 try!(write!(f, "/{}", addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 try!(write!(f, "/{}", addr));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 try!(write!(f, "/{}", port));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 try!(write!(f, "/{}", multihash));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             try!(write!(f, "{}", segment));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(f.write_str("MultiAddr(\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         try!(fmt::Display::fmt(self, f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         try!(f.write_str("\")"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(f.write_str("Segment(\""));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(fmt::Display::fmt(self, f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/display.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(f.write_str("\")"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parse.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 |         while let Some(segment) = try!(segment_from_strs(&mut strs)) {
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(self.read_exact(&mut buffer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if try!(self.read(&mut buffer)) == 0 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |             4 => IP4(try!(self.read_ipv4addr())),
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |             6 => Tcp(try!(self.read_u16_be())),
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |             17 => Udp(try!(self.read_u16_be())),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |             33 => Dccp(try!(self.read_u16_be())),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             41 => IP6(try!(self.read_ipv6addr())),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |             132 => Sctp(try!(self.read_u16_be())),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 try!(hash_bytes.check_empty());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 let length = try!(self.read_u64_varint());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let multihash = try!(hash_bytes.read_multihash());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(code) = try!(self.try_read_u64_varint()) {
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Ok(Some(try!(self.read_segment(code))))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         try!(self.check_empty());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:124:35
[INFO] [stdout]     |
[INFO] [stdout] 124 |         while let Some(segment) = try!(self.try_read_segment()) {
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         try!(self.write_all(&[val]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.write_all(&[((val >> 8) & 0xFF) as u8, (val & 0xFF) as u8]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.write_all(&addr.octets()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         try!(self.write_all(&addr.octets()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(self.write_u64_varint(segment.code()));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(self.write_ipv4addr(addr)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 try!(self.write_ipv6addr(addr)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(self.write_u16_be(port)),
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 try!(self.write_usize_varint(multihash.output_len()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 try!(self.write_multihash(multihash));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             try!(self.write_segment(segment));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         foreign_links {
[INFO] [stdout] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stdout] 15 | |             Num(num::ParseIntError);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/parse.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         foreign_links {
[INFO] [stdout] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stdout] 15 | |             Num(num::ParseIntError);
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f62daaa52037299df7f53a70c72fcf6c2908ce7bbf2f000d239ee4dc0a79fc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62daaa52037299df7f53a70c72fcf6c2908ce7bbf2f000d239ee4dc0a79fc2a", kill_on_drop: false }`
[INFO] [stdout] f62daaa52037299df7f53a70c72fcf6c2908ce7bbf2f000d239ee4dc0a79fc2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6db85f9f7c3215ca64c9755fe96ebf57269824cdeb4a280adcb43c2c29ccbe1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6db85f9f7c3215ca64c9755fe96ebf57269824cdeb4a280adcb43c2c29ccbe1a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]  --> src/display.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         try!(write!(f, "/{}", self.name()));
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |                 try!(write!(f, "/{}", addr));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 try!(write!(f, "/{}", addr));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 try!(write!(f, "/{}", port));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 try!(write!(f, "/{}", multihash));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(write!(f, "{}", segment));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         try!(f.write_str("MultiAddr(\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         try!(fmt::Display::fmt(self, f));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         try!(f.write_str("\")"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(f.write_str("Segment(\""));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(fmt::Display::fmt(self, f));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/display.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(f.write_str("\")"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |             "ip4" => IP4(try!(try!(data()).parse())),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |             "ip6" => IP6(try!(try!(data()).parse())),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 |             "udp" => Udp(try!(try!(data()).parse())),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |             "dccp" => Dccp(try!(try!(data()).parse())),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             "sctp" => Sctp(try!(try!(data()).parse())),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 |             "tcp" => Tcp(try!(try!(data()).parse())),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:33:33
[INFO] [stderr]    |
[INFO] [stderr] 33 |             "ipfs" => Ipfs(try!(try!(data()).parse())),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parse.rs:53:35
[INFO] [stderr]    |
[INFO] [stderr] 53 |         while let Some(segment) = try!(segment_from_strs(&mut strs)) {
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         try!(self.read_exact(&mut buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(self.read_exact(&mut buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.read_exact(&mut buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         try!(self.read_exact(&mut buffer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |         if try!(self.read(&mut buffer)) == 0 {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |             4 => IP4(try!(self.read_ipv4addr())),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:57:22
[INFO] [stderr]    |
[INFO] [stderr] 57 |             6 => Tcp(try!(self.read_u16_be())),
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             17 => Udp(try!(self.read_u16_be())),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |             33 => Dccp(try!(self.read_u16_be())),
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |             41 => IP6(try!(self.read_ipv6addr())),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |             132 => Sctp(try!(self.read_u16_be())),
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 try!(hash_bytes.check_empty());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 let length = try!(self.read_u64_varint());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let multihash = try!(hash_bytes.read_multihash());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if let Some(code) = try!(self.try_read_u64_varint()) {
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/read.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |             Ok(Some(try!(self.read_segment(code))))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         try!(self.check_empty());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/read.rs:124:35
[INFO] [stderr]     |
[INFO] [stderr] 124 |         while let Some(segment) = try!(self.try_read_segment()) {
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(self.write_all(&[val]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(self.write_all(&[((val >> 8) & 0xFF) as u8, (val & 0xFF) as u8]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         try!(self.write_all(&addr.octets()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(self.write_all(&addr.octets()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(self.write_u64_varint(segment.code()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(self.write_ipv4addr(addr)),
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 try!(self.write_ipv6addr(addr)),
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 try!(self.write_u16_be(port)),
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 try!(self.write_usize_varint(multihash.output_len()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 try!(self.write_multihash(multihash));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/write.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             try!(self.write_segment(segment));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parse.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     error_chain! {
[INFO] [stderr] 13 | |         foreign_links {
[INFO] [stderr] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stderr] 15 | |             Num(num::ParseIntError);
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/parse.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     error_chain! {
[INFO] [stderr] 13 | |         foreign_links {
[INFO] [stderr] 14 | |             MultiHash(mhash::error::parse::Error);
[INFO] [stderr] 15 | |             Num(num::ParseIntError);
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `maddr` (lib) generated 58 warnings
[INFO] [stdout] running 18 tests
[INFO] [stderr] warning: `maddr` (lib test) generated 58 warnings (58 duplicates)
[INFO] [stdout] test display::tests::ip4 ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] test display::tests::ip6 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maddr-5cac99bac47d25a8)
[INFO] [stdout] test display::tests::ipfs ... ok
[INFO] [stdout] test multiaddr::tests::from_ip4 ... ok
[INFO] [stdout] test segment::tests::from_ip4 ... ok
[INFO] [stdout] test write::tests::ipfs ... ok
[INFO] [stdout] test multiaddr::tests::add ... ok
[INFO] [stdout] test write::tests::ip4 ... ok
[INFO] [stdout] test read::tests::ipfs ... ok
[INFO] [stdout] test write::tests::ip6 ... ok
[INFO] [stdout] test segment::tests::from_ip_ip6 ... ok
[INFO] [stdout] test segment::tests::from_ip6 ... ok
[INFO] [stdout] test segment::tests::from_ip_ip4 ... ok
[INFO] [stdout] test read::tests::ip4 ... ok
[INFO] [stdout] test read::tests::ip6 ... ok
[INFO] [stdout] test parse::tests::ipfs ... ok
[INFO] [stdout] test parse::tests::ip4 ... ok
[INFO] [stdout] test parse::tests::ip6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maddr
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/write.rs - write::WriteMultiAddr::write_multiaddr (line 74) ... ok
[INFO] [stdout] test src/segment.rs - segment::Segment (line 14) ... ok
[INFO] [stdout] test src/multiaddr.rs - multiaddr::MultiAddr (line 12) ... ok
[INFO] [stdout] test src/multiaddr.rs - multiaddr::MultiAddr::split_off_last (line 73) ... ok
[INFO] [stdout] test src/read.rs - read::ReadMultiAddr::read_multiaddr (line 104) ... ok
[INFO] [stdout] test src/multiaddr.rs - multiaddr::MultiAddr (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6db85f9f7c3215ca64c9755fe96ebf57269824cdeb4a280adcb43c2c29ccbe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db85f9f7c3215ca64c9755fe96ebf57269824cdeb4a280adcb43c2c29ccbe1a", kill_on_drop: false }`
[INFO] [stdout] 6db85f9f7c3215ca64c9755fe96ebf57269824cdeb4a280adcb43c2c29ccbe1a
