[INFO] fetching crate mates 0.3.0...
[INFO] checking mates-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate mates 0.3.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate mates 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mates 0.3.0
[INFO] finished tweaking crates.io crate mates 0.3.0
[INFO] tweaked toml for crates.io crate mates 0.3.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9af1e9083bedd227dfc8871d6a5a61030a061b4e4a4c6bc7580066e763ae216
[INFO] running `Command { std: "docker" "start" "-a" "c9af1e9083bedd227dfc8871d6a5a61030a061b4e4a4c6bc7580066e763ae216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9af1e9083bedd227dfc8871d6a5a61030a061b4e4a4c6bc7580066e763ae216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9af1e9083bedd227dfc8871d6a5a61030a061b4e4a4c6bc7580066e763ae216", kill_on_drop: false }`
[INFO] [stdout] c9af1e9083bedd227dfc8871d6a5a61030a061b4e4a4c6bc7580066e763ae216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff945af838bdfd8f3d860c6b1b0e5eaf200c08f5c98aad00d39b5abbbb0acd3d
[INFO] running `Command { std: "docker" "start" "-a" "ff945af838bdfd8f3d860c6b1b0e5eaf200c08f5c98aad00d39b5abbbb0acd3d", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling cursive v0.5.1
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking vobject v0.2.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling email v0.0.21
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]     Checking atomicwrites v0.1.5
[INFO] [stderr]    Compiling mates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 macro `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: 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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:258:32
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: use of deprecated associated function `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 associated function `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 associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/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 associated function `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 associated function: `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: panic message is not a string literal
[INFO] [stdout]   --> src/mates/cli.rs:28:53
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Err(env::VarError::NotUnicode(_)) => panic!(format!("{} is not unicode.", key)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 28 -         Err(env::VarError::NotUnicode(_)) => panic!(format!("{} is not unicode.", key)),
[INFO] [stdout] 28 +         Err(env::VarError::NotUnicode(_)) => panic!("{} is not unicode.", key),
[INFO] [stdout]    | 
[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: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/mates/cli.rs:28:53
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Err(env::VarError::NotUnicode(_)) => panic!(format!("{} is not unicode.", key)),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 28 -         Err(env::VarError::NotUnicode(_)) => panic!(format!("{} is not unicode.", key)),
[INFO] [stdout] 28 +         Err(env::VarError::NotUnicode(_)) => panic!("{} is not unicode.", key),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "ff945af838bdfd8f3d860c6b1b0e5eaf200c08f5c98aad00d39b5abbbb0acd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff945af838bdfd8f3d860c6b1b0e5eaf200c08f5c98aad00d39b5abbbb0acd3d", kill_on_drop: false }`
[INFO] [stdout] ff945af838bdfd8f3d860c6b1b0e5eaf200c08f5c98aad00d39b5abbbb0acd3d
