[INFO] updating cached repository https://github.com/bnewbold/ucp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f65e7c610bfecc263458708061c4553dfc9cf7d5
[INFO] testing bnewbold/ucp against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnewbold%2Fucp" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bnewbold/ucp on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bnewbold/ucp
[INFO] finished tweaking git repo https://github.com/bnewbold/ucp
[INFO] tweaked toml for git repo https://github.com/bnewbold/ucp written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bnewbold/ucp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 996af27a85680499a868fb02d2ab17ee9483e60c524b19939f929e0dabe818ae
[INFO] running `"docker" "start" "-a" "996af27a85680499a868fb02d2ab17ee9483e60c524b19939f929e0dabe818ae"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling libudt4-sys v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling daemonize v0.2.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling syslog v3.3.0
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling udt v0.1.4
[INFO] [stderr]    Compiling sodiumoxide v0.2.5
[INFO] [stderr]    Compiling ucp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut f = try!(File::open(file_path));
[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/common.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let metadata = try!(f.metadata());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(stream.write_all(line.as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let rlen = try!(f.read(&mut buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(stream.write_all(&wbuf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut f = try!(File::create(file_path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let line = try!(raw_read_line(stream));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     try!(stream.write(&[0]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     try!(fs::set_permissions(file_path, PermissionsExt::from_mode(fmode)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let rlen = try!(stream.read(&mut buf));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(f.write_all(&wbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     try!(f.sync_all());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     try!(stream.write(&[0]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(self.inner.read_exact(&mut header_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         try!(self.inner.read_exact(&mut self.read_buf[..len]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.inner.write_all(&header_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.inner.write_all(&ciphertext[..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/client.rs:170:70
[INFO] [stderr]     |
[INFO] [stderr] 170 |     socket.connect(net::SocketAddr::new(addr, remote_port)).unwrap();;
[INFO] [stderr]     |                                                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::env::home_dir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/server.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let working_dir = match env::home_dir() {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |         Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:199:58
[INFO] [stderr]     |
[INFO] [stderr] 199 |             writeln!(&mut ::std::io::stderr(), "{}", err.description()).unwrap();
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:45:34
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Err(e) => { return Err(e.description().to_string()); },
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |         Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     sodiumoxide::init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 33s
[INFO] running `"docker" "inspect" "996af27a85680499a868fb02d2ab17ee9483e60c524b19939f929e0dabe818ae"`
[INFO] running `"docker" "rm" "-f" "996af27a85680499a868fb02d2ab17ee9483e60c524b19939f929e0dabe818ae"`
[INFO] [stdout] 996af27a85680499a868fb02d2ab17ee9483e60c524b19939f929e0dabe818ae
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58e81f7441780b3a150b6020a61a27bce4a57a508462f37be4feb07210976e24
[INFO] running `"docker" "start" "-a" "58e81f7441780b3a150b6020a61a27bce4a57a508462f37be4feb07210976e24"`
[INFO] [stderr]    Compiling ucp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut f = try!(File::open(file_path));
[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/common.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let metadata = try!(f.metadata());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(stream.write_all(line.as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let rlen = try!(f.read(&mut buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(stream.write_all(&wbuf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut f = try!(File::create(file_path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let line = try!(raw_read_line(stream));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     try!(stream.write(&[0]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     try!(fs::set_permissions(file_path, PermissionsExt::from_mode(fmode)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let rlen = try!(stream.read(&mut buf));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(f.write_all(&wbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     try!(f.sync_all());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     try!(stream.write(&[0]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(self.inner.read_exact(&mut header_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         try!(self.inner.read_exact(&mut self.read_buf[..len]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.inner.write_all(&header_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.inner.write_all(&ciphertext[..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/client.rs:170:70
[INFO] [stderr]     |
[INFO] [stderr] 170 |     socket.connect(net::SocketAddr::new(addr, remote_port)).unwrap();;
[INFO] [stderr]     |                                                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::env::home_dir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/server.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let working_dir = match env::home_dir() {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |         Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:199:58
[INFO] [stderr]     |
[INFO] [stderr] 199 |             writeln!(&mut ::std::io::stderr(), "{}", err.description()).unwrap();
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:45:34
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Err(e) => { return Err(e.description().to_string()); },
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |         Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     sodiumoxide::init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "58e81f7441780b3a150b6020a61a27bce4a57a508462f37be4feb07210976e24"`
[INFO] running `"docker" "rm" "-f" "58e81f7441780b3a150b6020a61a27bce4a57a508462f37be4feb07210976e24"`
[INFO] [stdout] 58e81f7441780b3a150b6020a61a27bce4a57a508462f37be4feb07210976e24
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 787728867e089d92ef820701c0130271251e7fde644f9e1e94902c5a4230725a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "787728867e089d92ef820701c0130271251e7fde644f9e1e94902c5a4230725a"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut f = try!(File::open(file_path));
[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/common.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let metadata = try!(f.metadata());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     try!(stream.write_all(line.as_bytes()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let rlen = try!(f.read(&mut buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(stream.write_all(&wbuf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut f = try!(File::create(file_path));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/common.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     try!(stream.read_exact(&mut byte_buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let line = try!(raw_read_line(stream));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     try!(stream.write(&[0]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     try!(fs::set_permissions(file_path, PermissionsExt::from_mode(fmode)));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let rlen = try!(stream.read(&mut buf));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         try!(f.write_all(&wbuf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     try!(f.sync_all());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/common.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     try!(stream.write(&[0]));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         try!(self.inner.read_exact(&mut header_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         try!(self.inner.read_exact(&mut self.read_buf[..len]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/crypto.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(self.inner.write_all(&header_buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/crypto.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.inner.write_all(&ciphertext[..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/client.rs:170:70
[INFO] [stderr]     |
[INFO] [stderr] 170 |     socket.connect(net::SocketAddr::new(addr, remote_port)).unwrap();;
[INFO] [stderr]     |                                                                      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::env::home_dir;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/server.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let working_dir = match env::home_dir() {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |         Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/client.rs:199:58
[INFO] [stderr]     |
[INFO] [stderr] 199 |             writeln!(&mut ::std::io::stderr(), "{}", err.description()).unwrap();
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:45:34
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Err(e) => { return Err(e.description().to_string()); },
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/server.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |         Err(e) => Err(e.description().to_string()),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     sodiumoxide::init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ucp-ef592a8e34d850d2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "787728867e089d92ef820701c0130271251e7fde644f9e1e94902c5a4230725a"`
[INFO] running `"docker" "rm" "-f" "787728867e089d92ef820701c0130271251e7fde644f9e1e94902c5a4230725a"`
[INFO] [stdout] 787728867e089d92ef820701c0130271251e7fde644f9e1e94902c5a4230725a