[INFO] updating cached repository https://github.com/Mogztter/lothaire
[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] 55f691ea59c71d72b3edde6bb06effa214c3fb31
[INFO] checking Mogztter/lothaire against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMogztter%2Flothaire" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mogztter/lothaire on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Mogztter/lothaire
[INFO] finished tweaking git repo https://github.com/Mogztter/lothaire
[INFO] tweaked toml for git repo https://github.com/Mogztter/lothaire written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Mogztter/lothaire already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/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[INFO] the lockfile is outdated, regenerating it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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59693ffd2aa982ec5d4a98b314dde9ec4744a1c69f2bd3d9db56bf90c4467833
[INFO] running `"docker" "start" "-a" "59693ffd2aa982ec5d4a98b314dde9ec4744a1c69f2bd3d9db56bf90c4467833"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking lothaire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let exists_bool: bool = try!(exists.parse());
[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/modules/user.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let user_result = try!(get_user(username));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:150:23
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let uid = try!(util::parse_int(uid));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:154:27
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let gid_int = try!(util::parse_int(gid)).unwrap_or(-1);
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let user_line = try!(get_user_line(username));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:176:24
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let user = try!(parse_user_line(&l));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:187:15
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let uid = try!(user_line[2].parse::<i32>());
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:188:15
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let gid = try!(user_line[3].parse::<i32>());
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let group = try!(group::get_group_from_gid(gid));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:198:32
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let mut secondary_groups = try!(group::get_user_secondary_groups(username));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:216:25
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let password_file = try!(File::open("/etc/passwd"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:220:20
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let line = try!(l);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let group_file = try!(fs::File::open("/etc/group"));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let line = try!(l);
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let line_gid = try!(line_vec[2].parse::<i32>());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let gid = try!(line[2].parse::<i32>());
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let exists_bool: bool = try!(exists.parse());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let group_result = try!(get_group_from_name(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:105:23
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let gid = try!(util::parse_int(gid));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let group_line = try!(get_group_line_from_name(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let group = try!(parse_group_line(&l));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:127:22
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let group_line = try!(get_group_line_from_gid(gid));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:131:25
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let group = try!(parse_group_line(&l));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:138:22
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let group_file = try!(fs::File::open("/etc/group"));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:142:20
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let line = try!(l);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let group_file = try!(fs::File::open("/etc/group"));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:159:20
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let line = try!(l);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/package.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let command_result = try!(Command::new("dpkg-query")
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/package.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let command_result = try!(Command::new("rpm")
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/package.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let installed_bool: bool = try!(installed.parse());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/package.rs:156:18
[INFO] [stderr]     |
[INFO] [stderr] 156 |         "rpm" => try!(check_rpm(package, version, installed_bool, &mut result)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/package.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |         "deb" => try!(check_deb(package, version, installed_bool, &mut result)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/modules/file.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let metadata = try!(fs::metadata(path));
[INFO] [stderr]   |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let result = try!(v.parse::<i32>());
[INFO] [stderr]   |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let result = try!(v.parse::<bool>());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/modules/user.rs:177:16
[INFO] [stderr]     |
[INFO] [stderr] 177 |             Ok((Some(user)))
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let exists_bool: bool = try!(exists.parse());
[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/modules/user.rs:145:23
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let user_result = try!(get_user(username));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:150:23
[INFO] [stderr]     |
[INFO] [stderr] 150 |             let uid = try!(util::parse_int(uid));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:154:27
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let gid_int = try!(util::parse_int(gid)).unwrap_or(-1);
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |     let user_line = try!(get_user_line(username));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:176:24
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let user = try!(parse_user_line(&l));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:187:15
[INFO] [stderr]     |
[INFO] [stderr] 187 |     let uid = try!(user_line[2].parse::<i32>());
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:188:15
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let gid = try!(user_line[3].parse::<i32>());
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let group = try!(group::get_group_from_gid(gid));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:198:32
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let mut secondary_groups = try!(group::get_user_secondary_groups(username));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:216:25
[INFO] [stderr]     |
[INFO] [stderr] 216 |     let password_file = try!(File::open("/etc/passwd"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/user.rs:220:20
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let line = try!(l);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let group_file = try!(fs::File::open("/etc/group"));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let line = try!(l);
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let line_gid = try!(line_vec[2].parse::<i32>());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let gid = try!(line[2].parse::<i32>());
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/group.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let exists_bool: bool = try!(exists.parse());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let group_result = try!(get_group_from_name(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:105:23
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let gid = try!(util::parse_int(gid));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let group_line = try!(get_group_line_from_name(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let group = try!(parse_group_line(&l));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:127:22
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let group_line = try!(get_group_line_from_gid(gid));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:131:25
[INFO] [stderr]     |
[INFO] [stderr] 131 |             let group = try!(parse_group_line(&l));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:138:22
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let group_file = try!(fs::File::open("/etc/group"));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:142:20
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let line = try!(l);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:154:22
[INFO] [stderr]     |
[INFO] [stderr] 154 |     let group_file = try!(fs::File::open("/etc/group"));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/group.rs:159:20
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let line = try!(l);
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/package.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let command_result = try!(Command::new("dpkg-query")
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modules/package.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let command_result = try!(Command::new("rpm")
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/package.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let installed_bool: bool = try!(installed.parse());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/package.rs:156:18
[INFO] [stderr]     |
[INFO] [stderr] 156 |         "rpm" => try!(check_rpm(package, version, installed_bool, &mut result)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modules/package.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |         "deb" => try!(check_deb(package, version, installed_bool, &mut result)),
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/modules/file.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let metadata = try!(fs::metadata(path));
[INFO] [stderr]   |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/util.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let result = try!(v.parse::<i32>());
[INFO] [stderr]   |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let result = try!(v.parse::<bool>());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/modules/user.rs:177:16
[INFO] [stderr]     |
[INFO] [stderr] 177 |             Ok((Some(user)))
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_metadata`
[INFO] [stderr]  --> src/modules/file.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn get_metadata(path: &str) -> Result<fs::Metadata, io::Error> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_file`
[INFO] [stderr]   --> src/modules/file.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn is_file(metadata: &fs::Metadata, result: &mut test::TestResult) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_metadata`
[INFO] [stderr]  --> src/modules/file.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn get_metadata(path: &str) -> Result<fs::Metadata, io::Error> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_file`
[INFO] [stderr]   --> src/modules/file.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn is_file(metadata: &fs::Metadata, result: &mut test::TestResult) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `"docker" "inspect" "59693ffd2aa982ec5d4a98b314dde9ec4744a1c69f2bd3d9db56bf90c4467833"`
[INFO] running `"docker" "rm" "-f" "59693ffd2aa982ec5d4a98b314dde9ec4744a1c69f2bd3d9db56bf90c4467833"`
[INFO] [stdout] 59693ffd2aa982ec5d4a98b314dde9ec4744a1c69f2bd3d9db56bf90c4467833