[INFO] cloning repository https://github.com/eagletmt/skkserv-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eagletmt/skkserv-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feagletmt%2Fskkserv-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feagletmt%2Fskkserv-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db091edc80867a7d02d0210c7d1aba83f0d2dcc2
[INFO] checking eagletmt/skkserv-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feagletmt%2Fskkserv-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eagletmt/skkserv-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eagletmt/skkserv-rust
[INFO] finished tweaking git repo https://github.com/eagletmt/skkserv-rust
[INFO] tweaked toml for git repo https://github.com/eagletmt/skkserv-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/eagletmt/skkserv-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a408fb38baf5a4d3a518efa8f6bee0aa7fda32f9ddb1cc7762d06e212d771be
[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" "4a408fb38baf5a4d3a518efa8f6bee0aa7fda32f9ddb1cc7762d06e212d771be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a408fb38baf5a4d3a518efa8f6bee0aa7fda32f9ddb1cc7762d06e212d771be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a408fb38baf5a4d3a518efa8f6bee0aa7fda32f9ddb1cc7762d06e212d771be", kill_on_drop: false }`
[INFO] [stdout] 4a408fb38baf5a4d3a518efa8f6bee0aa7fda32f9ddb1cc7762d06e212d771be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30b4b8c6674da822689aafe0d1435e39b83cf831f1a0ac7c9992c1ab25022b2
[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" "d30b4b8c6674da822689aafe0d1435e39b83cf831f1a0ac7c9992c1ab25022b2", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking skkserv-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     try!(write_with_encoding(stream, "2", ASCII));
[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/skkclient/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn get_version<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     try!(write_with_encoding(stream, "0", ASCII));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     try!(write_with_encoding(stream, "1", ASCII));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(write_with_encoding(stream, kana, encoding));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     try!(write_with_encoding(stream, " ", ASCII));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:51:74
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_candidate<T: Read + Write>(stream: &mut T, kana: &str, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:59:68
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let r = try!(stream.read(&mut buf));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:63:53
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                     ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/skkclient/main.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(f) => { panic!(f.to_string()); }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(f) => { panic!("{}", f.to_string()); }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(f) => { std::panic::panic_any(f.to_string()); }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let r = try!(stream.read(&mut cmd));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:30:62
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn handle_stream<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stdout]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let _ = try!(write_with_encoding(stream, "skkserv-rust:0.1.0", ASCII));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn respond_version(stream: &mut Write) -> std::io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let input = try!(read_candidate(stream, encoding));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let _ = try!(write_with_encoding(stream, "1/aiueo/\n", encoding));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:59:66
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn respond_candidate<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let r = try!(stream.read(&mut t));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:85:37
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:85:68
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     try!(write_with_encoding(stream, "2", ASCII));
[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/skkclient/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn get_version<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     try!(write_with_encoding(stream, "0", ASCII));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     try!(write_with_encoding(stream, "1", ASCII));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     try!(write_with_encoding(stream, kana, encoding));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     try!(write_with_encoding(stream, " ", ASCII));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:51:74
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_candidate<T: Read + Write>(stream: &mut T, kana: &str, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                                          ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:59:68
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkclient/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let r = try!(stream.read(&mut buf));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkclient/main.rs:63:53
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                     ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let r = try!(stream.read(&mut cmd));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:30:62
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn handle_stream<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stdout]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let _ = try!(write_with_encoding(stream, "skkserv-rust:0.1.0", ASCII));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     try!(stream.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn respond_version(stream: &mut Write) -> std::io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let input = try!(read_candidate(stream, encoding));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let _ = try!(write_with_encoding(stream, "1/aiueo/\n", encoding));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:59:66
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn respond_candidate<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stdout]    |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/skkserv/main.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let r = try!(stream.read(&mut t));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stdout]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:85:37
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/skkserv/main.rs:85:68
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stdout]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/skkclient/main.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(f) => { panic!(f.to_string()); }
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(f) => { panic!("{}", f.to_string()); }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Err(f) => { std::panic::panic_any(f.to_string()); }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d30b4b8c6674da822689aafe0d1435e39b83cf831f1a0ac7c9992c1ab25022b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30b4b8c6674da822689aafe0d1435e39b83cf831f1a0ac7c9992c1ab25022b2", kill_on_drop: false }`
[INFO] [stdout] d30b4b8c6674da822689aafe0d1435e39b83cf831f1a0ac7c9992c1ab25022b2