[INFO] updating cached repository https://github.com/eagletmt/skkserv-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db091edc80867a7d02d0210c7d1aba83f0d2dcc2
[INFO] testing eagletmt/skkserv-rust against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feagletmt%2Fskkserv-rust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eagletmt/skkserv-rust on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/eagletmt/skkserv-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22991771e319cf0d52d0f25a312c2f576a6410a99b2cee297b5d99a90d890743
[INFO] running `"docker" "start" "-a" "22991771e319cf0d52d0f25a312c2f576a6410a99b2cee297b5d99a90d890743"`
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling skkserv-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(write_with_encoding(stream, "2", ASCII));
[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/skkclient/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     try!(write_with_encoding(stream, "0", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let r = try!(stream.read(&mut cmd));
[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/skkclient/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(write_with_encoding(stream, "1", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     try!(write_with_encoding(stream, kana, encoding));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(write_with_encoding(stream, " ", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let _ = try!(write_with_encoding(stream, "skkserv-rust:0.1.0", ASCII));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let input = try!(read_candidate(stream, encoding));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let _ = try!(write_with_encoding(stream, "1/aiueo/\n", encoding));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let r = try!(stream.read(&mut buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let r = try!(stream.read(&mut t));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:39:60
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn get_version<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[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/skkclient/main.rs:51:74
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn get_candidate<T: Read + Write>(stream: &mut T, kana: &str, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                                          ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:30:62
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn handle_stream<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[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/skkserv/main.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn respond_version(stream: &mut Write) -> std::io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:59:66
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn respond_candidate<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:59:68
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:85:68
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:63:53
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                     ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `"docker" "inspect" "22991771e319cf0d52d0f25a312c2f576a6410a99b2cee297b5d99a90d890743"`
[INFO] running `"docker" "rm" "-f" "22991771e319cf0d52d0f25a312c2f576a6410a99b2cee297b5d99a90d890743"`
[INFO] [stdout] 22991771e319cf0d52d0f25a312c2f576a6410a99b2cee297b5d99a90d890743
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc69f8d68c16117518e0cf4ca470a2682aba441a8fef88f4c759c4f489e67494
[INFO] running `"docker" "start" "-a" "bc69f8d68c16117518e0cf4ca470a2682aba441a8fef88f4c759c4f489e67494"`
[INFO] [stderr]    Compiling skkserv-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let r = try!(stream.read(&mut cmd));
[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/skkserv/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let _ = try!(write_with_encoding(stream, "skkserv-rust:0.1.0", ASCII));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let input = try!(read_candidate(stream, encoding));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let _ = try!(write_with_encoding(stream, "1/aiueo/\n", encoding));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let r = try!(stream.read(&mut t));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:30:62
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn handle_stream<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[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/skkserv/main.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn respond_version(stream: &mut Write) -> std::io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:59:66
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn respond_candidate<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:85:68
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(write_with_encoding(stream, "2", ASCII));
[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/skkclient/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     try!(write_with_encoding(stream, "0", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(write_with_encoding(stream, "1", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     try!(write_with_encoding(stream, kana, encoding));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(write_with_encoding(stream, " ", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let r = try!(stream.read(&mut buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:39:60
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn get_version<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[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/skkclient/main.rs:51:74
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn get_candidate<T: Read + Write>(stream: &mut T, kana: &str, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                                          ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:59:68
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:63:53
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                     ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "bc69f8d68c16117518e0cf4ca470a2682aba441a8fef88f4c759c4f489e67494"`
[INFO] running `"docker" "rm" "-f" "bc69f8d68c16117518e0cf4ca470a2682aba441a8fef88f4c759c4f489e67494"`
[INFO] [stdout] bc69f8d68c16117518e0cf4ca470a2682aba441a8fef88f4c759c4f489e67494
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 08e1d5feb68a7cea840831d0165e46b5966518fe37e57d237f5e70e938a121c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "08e1d5feb68a7cea840831d0165e46b5966518fe37e57d237f5e70e938a121c7"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let r = try!(stream.read(&mut cmd));
[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/skkserv/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let _ = try!(write_with_encoding(stream, "skkserv-rust:0.1.0", ASCII));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let input = try!(read_candidate(stream, encoding));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let _ = try!(write_with_encoding(stream, "1/aiueo/\n", encoding));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkserv/main.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let r = try!(stream.read(&mut t));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:30:62
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn handle_stream<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stderr]    |                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[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/skkserv/main.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn respond_version(stream: &mut Write) -> std::io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:59:66
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn respond_candidate<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<()> {
[INFO] [stderr]    |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:66:49
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn read_candidate(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:85:37
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkserv/main.rs:85:68
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     try!(write_with_encoding(stream, "2", ASCII));
[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/skkclient/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     try!(write_with_encoding(stream, "0", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     try!(write_with_encoding(stream, "1", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     try!(write_with_encoding(stream, kana, encoding));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     try!(write_with_encoding(stream, " ", ASCII));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(stream.flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/skkclient/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let r = try!(stream.read(&mut buf));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:39:60
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn get_version<T: Read + Write>(stream: &mut T, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[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/skkclient/main.rs:51:74
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn get_candidate<T: Read + Write>(stream: &mut T, kana: &str, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                                          ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:59:68
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn write_with_encoding(stream: &mut Write, input: &str, encoding: &Encoding) -> std::io::Result<usize> {
[INFO] [stderr]    |                                                                    ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skkclient/main.rs:63:53
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn read_with_encoding(stream: &mut Read, encoding: &Encoding) -> std::io::Result<String> {
[INFO] [stderr]    |                                                     ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skkclient-178964aa9a7021b8
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skkserv-af0a6a0a0262aae9
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08e1d5feb68a7cea840831d0165e46b5966518fe37e57d237f5e70e938a121c7"`
[INFO] running `"docker" "rm" "-f" "08e1d5feb68a7cea840831d0165e46b5966518fe37e57d237f5e70e938a121c7"`
[INFO] [stdout] 08e1d5feb68a7cea840831d0165e46b5966518fe37e57d237f5e70e938a121c7