[INFO] updating cached repository https://github.com/pimutils/mates.rs
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4973303ee9305c8b7e05b8724d7105a277524364
[INFO] testing pimutils/mates.rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpimutils%2Fmates.rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pimutils/mates.rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pimutils/mates.rs
[INFO] finished tweaking git repo https://github.com/pimutils/mates.rs
[INFO] tweaked toml for git repo https://github.com/pimutils/mates.rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pimutils/mates.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c8e591e3b6a06f389fa06a121b3f57b645072806836eb5db023502c40865356
[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" "7c8e591e3b6a06f389fa06a121b3f57b645072806836eb5db023502c40865356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c8e591e3b6a06f389fa06a121b3f57b645072806836eb5db023502c40865356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8e591e3b6a06f389fa06a121b3f57b645072806836eb5db023502c40865356", kill_on_drop: false }`
[INFO] [stdout] 7c8e591e3b6a06f389fa06a121b3f57b645072806836eb5db023502c40865356
[INFO] running `Command { std: "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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13538697f8f887d59086affe0a0743ad055d4a994001cdaa350e422c4ed7f49a
[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" "13538697f8f887d59086affe0a0743ad055d4a994001cdaa350e422c4ed7f49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling cursive v0.5.1
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling vobject v0.2.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]    Compiling email v0.0.19
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling toml v0.3.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling atomicwrites v0.1.5
[INFO] [stderr]    Compiling mates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     try!(af.write::<(), io::Error, _>(|outf| {
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(outf.write_all(index_string.as_bytes()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             try!(build_index(&config.index_path, &config.vdir_path));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(mutt_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(file_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |             try!(email_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             try!(stdin.lock().read_to_string(&mut email));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let contact = try!(utils::add_contact_from_email(
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut index_fp = try!(fs::OpenOptions::new()
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let index_entry = try!(utils::index_item_from_contact(&contact));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             try!(index_fp.write_all(index_entry.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             try!(edit_contact(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         try!(utils::file_query(config, query)).into_iter().collect()
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:175:24
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut file = try!(fs::File::open(fpath));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(file.read_to_string(&mut fcontent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(fs::remove_file(fpath));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     for path in try!(utils::file_query(config, query)).iter() {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |     for item in try!(utils::index_query(config, query)) {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/utils.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let exitcode = try!(process.wait());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut contact_file = try!(fs::File::open(&path));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(contact_file.read_to_string(&mut x));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(af.write(|f| {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:171:23
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut process = try!(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     try!(handle_process(&mut process));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     try!(stream.read_to_string(&mut output));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(index_query(config, query)).filter_map(|x| x.filepath)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 260 |     try!(contact.write_create());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mates/cli.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub type MainResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mates/cli.rs:258:32
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/mates/cli.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stdout]    --> src/mates/utils.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |         Some(x) => Some(x.trim_right_matches('>')),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mates/editor/mod.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     af.write(|mut f| f.write_all(vobject::write_component(&vobj).as_bytes())).unwrap();
[INFO] [stdout]    |               ----^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.96s
[INFO] running `Command { std: "docker" "inspect" "13538697f8f887d59086affe0a0743ad055d4a994001cdaa350e422c4ed7f49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13538697f8f887d59086affe0a0743ad055d4a994001cdaa350e422c4ed7f49a", kill_on_drop: false }`
[INFO] [stdout] 13538697f8f887d59086affe0a0743ad055d4a994001cdaa350e422c4ed7f49a
[INFO] running `Command { std: "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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c34f47a8757fd6734a580faf09cc89aea6c1e106bfbf32aeb9422d0070b1e2
[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" "c7c34f47a8757fd6734a580faf09cc89aea6c1e106bfbf32aeb9422d0070b1e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     try!(af.write::<(), io::Error, _>(|outf| {
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(outf.write_all(index_string.as_bytes()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             try!(build_index(&config.index_path, &config.vdir_path));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(mutt_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(file_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |             try!(email_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             try!(stdin.lock().read_to_string(&mut email));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let contact = try!(utils::add_contact_from_email(
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut index_fp = try!(fs::OpenOptions::new()
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let index_entry = try!(utils::index_item_from_contact(&contact));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             try!(index_fp.write_all(index_entry.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             try!(edit_contact(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         try!(utils::file_query(config, query)).into_iter().collect()
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:175:24
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut file = try!(fs::File::open(fpath));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(file.read_to_string(&mut fcontent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(fs::remove_file(fpath));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     for path in try!(utils::file_query(config, query)).iter() {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |     for item in try!(utils::index_query(config, query)) {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/utils.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let exitcode = try!(process.wait());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut contact_file = try!(fs::File::open(&path));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(contact_file.read_to_string(&mut x));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(af.write(|f| {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:171:23
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut process = try!(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     try!(handle_process(&mut process));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     try!(stream.read_to_string(&mut output));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(index_query(config, query)).filter_map(|x| x.filepath)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 260 |     try!(contact.write_create());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mates/cli.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub type MainResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mates/cli.rs:258:32
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/mates/cli.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stdout]    --> src/mates/utils.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |         Some(x) => Some(x.trim_right_matches('>')),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mates/editor/mod.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     af.write(|mut f| f.write_all(vobject::write_component(&vobj).as_bytes())).unwrap();
[INFO] [stdout]    |               ----^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     try!(af.write::<(), io::Error, _>(|outf| {
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/cli.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     try!(outf.write_all(index_string.as_bytes()));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |             try!(build_index(&config.index_path, &config.vdir_path));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(mutt_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             try!(file_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |             try!(email_query(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |             try!(stdin.lock().read_to_string(&mut email));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let contact = try!(utils::add_contact_from_email(
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:138:32
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut index_fp = try!(fs::OpenOptions::new()
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let index_entry = try!(utils::index_item_from_contact(&contact));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |             try!(index_fp.write_all(index_entry.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |             try!(edit_contact(&config, &query[..]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         try!(utils::file_query(config, query)).into_iter().collect()
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:175:24
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut file = try!(fs::File::open(fpath));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(file.read_to_string(&mut fcontent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(fs::remove_file(fpath));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     for path in try!(utils::file_query(config, query)).iter() {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/cli.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |     for item in try!(utils::index_query(config, query)) {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/mates/utils.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let exitcode = try!(process.wait());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut contact_file = try!(fs::File::open(&path));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             try!(contact_file.read_to_string(&mut x));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(af.write(|f| {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:171:23
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut process = try!(
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     try!(handle_process(&mut process));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 |     try!(stream.read_to_string(&mut output));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(index_query(config, query)).filter_map(|x| x.filepath)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/mates/utils.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 260 |     try!(contact.write_create());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mates/cli.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub type MainResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mates/cli.rs:258:32
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/mates/cli.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stdout]    --> src/mates/utils.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |         Some(x) => Some(x.trim_right_matches('>')),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mates/editor/mod.rs:60:15
[INFO] [stdout]    |
[INFO] [stdout] 60 |     af.write(|mut f| f.write_all(vobject::write_component(&vobj).as_bytes())).unwrap();
[INFO] [stdout]    |               ----^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "c7c34f47a8757fd6734a580faf09cc89aea6c1e106bfbf32aeb9422d0070b1e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c34f47a8757fd6734a580faf09cc89aea6c1e106bfbf32aeb9422d0070b1e2", kill_on_drop: false }`
[INFO] [stdout] c7c34f47a8757fd6734a580faf09cc89aea6c1e106bfbf32aeb9422d0070b1e2
[INFO] running `Command { std: "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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80cf8d7ba70a904eed5b53598599a876a2a2251ef812c85bc47457287783db93
[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" "80cf8d7ba70a904eed5b53598599a876a2a2251ef812c85bc47457287783db93", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mates/cli.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(af.write::<(), io::Error, _>(|outf| {
[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/mates/cli.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mates/cli.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     try!(outf.write_all(index_string.as_bytes()));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             try!(build_index(&config.index_path, &config.vdir_path));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(mutt_query(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             try!(file_query(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             try!(email_query(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             try!(stdin.lock().read_to_string(&mut email));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:132:27
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let contact = try!(utils::add_contact_from_email(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:138:32
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let mut index_fp = try!(fs::OpenOptions::new()
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:143:31
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let index_entry = try!(utils::index_item_from_contact(&contact));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(index_fp.write_all(index_entry.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             try!(edit_contact(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         try!(utils::file_query(config, query)).into_iter().collect()
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:175:24
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut file = try!(fs::File::open(fpath));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(file.read_to_string(&mut fcontent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(fs::remove_file(fpath));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |     for path in try!(utils::file_query(config, query)).iter() {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |     for item in try!(utils::index_query(config, query)) {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mates/utils.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let exitcode = try!(process.wait());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut contact_file = try!(fs::File::open(&path));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             try!(contact_file.read_to_string(&mut x));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(af.write(|f| {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:171:23
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut process = try!(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     try!(handle_process(&mut process));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     try!(stream.read_to_string(&mut output));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(index_query(config, query)).filter_map(|x| x.filepath)
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:260:5
[INFO] [stderr]     |
[INFO] [stderr] 260 |     try!(contact.write_create());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mates/cli.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 251 | pub type MainResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mates/cli.rs:258:32
[INFO] [stderr]     |
[INFO] [stderr] 258 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/mates/cli.rs:265:14
[INFO] [stderr]     |
[INFO] [stderr] 265 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/mates/utils.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 226 |         Some(x) => Some(x.trim_right_matches('>')),
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mates/editor/mod.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |     af.write(|mut f| f.write_all(vobject::write_component(&vobj).as_bytes())).unwrap();
[INFO] [stderr]    |               ----^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mates/cli.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(af.write::<(), io::Error, _>(|outf| {
[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/mates/cli.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mates/cli.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                     try!(outf.write_all(index_string.as_bytes()));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             try!(build_index(&config.index_path, &config.vdir_path));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(mutt_query(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             try!(file_query(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             try!(email_query(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             try!(stdin.lock().read_to_string(&mut email));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:132:27
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let contact = try!(utils::add_contact_from_email(
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:138:32
[INFO] [stderr]     |
[INFO] [stderr] 138 |             let mut index_fp = try!(fs::OpenOptions::new()
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:143:31
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let index_entry = try!(utils::index_item_from_contact(&contact));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(index_fp.write_all(index_entry.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             try!(edit_contact(&config, &query[..]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         try!(utils::file_query(config, query)).into_iter().collect()
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:175:24
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let mut file = try!(fs::File::open(fpath));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(file.read_to_string(&mut fcontent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |         try!(fs::remove_file(fpath));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |     for path in try!(utils::file_query(config, query)).iter() {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/cli.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |     for item in try!(utils::index_query(config, query)) {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mates/utils.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let exitcode = try!(process.wait());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut contact_file = try!(fs::File::open(&path));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             try!(contact_file.read_to_string(&mut x));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(af.write(|f| {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:171:23
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let mut process = try!(
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     try!(handle_process(&mut process));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     try!(stream.read_to_string(&mut output));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(index_query(config, query)).filter_map(|x| x.filepath)
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/mates/utils.rs:260:5
[INFO] [stderr]     |
[INFO] [stderr] 260 |     try!(contact.write_create());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mates/cli.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 251 | pub type MainResult<T> = Result<T, Box<Error>>;
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mates/cli.rs:258:32
[INFO] [stderr]     |
[INFO] [stderr] 258 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/mates/cli.rs:265:14
[INFO] [stderr]     |
[INFO] [stderr] 265 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/mates/utils.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 226 |         Some(x) => Some(x.trim_right_matches('>')),
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mates/editor/mod.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |     af.write(|mut f| f.write_all(vobject::write_component(&vobj).as_bytes())).unwrap();
[INFO] [stderr]    |               ----^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mates-73bce186c0c50e45
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mates
[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] [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 `Command { std: "docker" "inspect" "80cf8d7ba70a904eed5b53598599a876a2a2251ef812c85bc47457287783db93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cf8d7ba70a904eed5b53598599a876a2a2251ef812c85bc47457287783db93", kill_on_drop: false }`
[INFO] [stdout] 80cf8d7ba70a904eed5b53598599a876a2a2251ef812c85bc47457287783db93