[INFO] cloning repository https://github.com/sighol/clock-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sighol/clock-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsighol%2Fclock-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsighol%2Fclock-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2113a1f4bada7c46b22b457e45a28e096997a0cd
[INFO] testing sighol/clock-server against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsighol%2Fclock-server" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sighol/clock-server on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sighol/clock-server
[INFO] finished tweaking git repo https://github.com/sighol/clock-server
[INFO] tweaked toml for git repo https://github.com/sighol/clock-server written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/sighol/clock-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f46f0aa1e790c248c5959e77f617595ca42032499c647f0cecf0ca017e61cc9f
[INFO] running `Command { std: "docker" "start" "-a" "f46f0aa1e790c248c5959e77f617595ca42032499c647f0cecf0ca017e61cc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46f0aa1e790c248c5959e77f617595ca42032499c647f0cecf0ca017e61cc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46f0aa1e790c248c5959e77f617595ca42032499c647f0cecf0ca017e61cc9f", kill_on_drop: false }`
[INFO] [stdout] f46f0aa1e790c248c5959e77f617595ca42032499c647f0cecf0ca017e61cc9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f83158f3ccabdc84d83c4b264254efcecc0c8e1e522efca5ffe8fb807846a0f
[INFO] running `Command { std: "docker" "start" "-a" "0f83158f3ccabdc84d83c4b264254efcecc0c8e1e522efca5ffe8fb807846a0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling clock-server v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(vec.write_u8(self.leap << LEAP_SHIFT | self.version << VERSION_SHIFT | self.mode));
[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/ntp.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(vec.write_u8(self.stratum));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(vec.write_u8(self.poll));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(vec.write_u8(self.precision));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(vec.write_u32::<BigEndian>(self.root_delay));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(vec.write_u32::<BigEndian>(self.root_dispersion));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(vec.write_u32::<BigEndian>(self.reference_id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         try!(vec.write_u32::<BigEndian>(self.reference_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(vec.write_u32::<BigEndian>(self.reference_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(vec.write_u32::<BigEndian>(self.origin_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(vec.write_u32::<BigEndian>(self.origin_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(vec.write_u32::<BigEndian>(self.receive_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(vec.write_u32::<BigEndian>(self.receive_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(vec.write_u32::<BigEndian>(self.transmit_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(vec.write_u32::<BigEndian>(self.transmit_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let leap_version_mode = try!(reader.read_u8());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:123:26
[INFO] [stdout]     |
[INFO] [stdout] 123 |         header.stratum = try!(reader.read_u8());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |         header.poll = try!(reader.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |         header.precision = try!(reader.read_u8());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |         header.root_delay = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |         header.root_dispersion = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:128:31
[INFO] [stdout]     |
[INFO] [stdout] 128 |         header.reference_id = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |         header.reference_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |         header.reference_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 |         header.origin_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:132:44
[INFO] [stdout]     |
[INFO] [stdout] 132 |         header.origin_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:133:44
[INFO] [stdout]     |
[INFO] [stdout] 133 |         header.receive_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:134:45
[INFO] [stdout]     |
[INFO] [stdout] 134 |         header.receive_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:135:45
[INFO] [stdout]     |
[INFO] [stdout] 135 |         header.transmit_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:136:46
[INFO] [stdout]     |
[INFO] [stdout] 136 |         header.transmit_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[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/error.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 38 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Error::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.39s
[INFO] running `Command { std: "docker" "inspect" "0f83158f3ccabdc84d83c4b264254efcecc0c8e1e522efca5ffe8fb807846a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f83158f3ccabdc84d83c4b264254efcecc0c8e1e522efca5ffe8fb807846a0f", kill_on_drop: false }`
[INFO] [stdout] 0f83158f3ccabdc84d83c4b264254efcecc0c8e1e522efca5ffe8fb807846a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31249ff8a1ca7abc0e466681535d3afe3368dd1d279ce7cac39e10bf8f250042
[INFO] running `Command { std: "docker" "start" "-a" "31249ff8a1ca7abc0e466681535d3afe3368dd1d279ce7cac39e10bf8f250042", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling clock-server v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(vec.write_u8(self.leap << LEAP_SHIFT | self.version << VERSION_SHIFT | self.mode));
[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/ntp.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(vec.write_u8(self.stratum));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(vec.write_u8(self.poll));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(vec.write_u8(self.precision));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(vec.write_u32::<BigEndian>(self.root_delay));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(vec.write_u32::<BigEndian>(self.root_dispersion));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ntp.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(vec.write_u32::<BigEndian>(self.reference_id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         try!(vec.write_u32::<BigEndian>(self.reference_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(vec.write_u32::<BigEndian>(self.reference_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(vec.write_u32::<BigEndian>(self.origin_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(vec.write_u32::<BigEndian>(self.origin_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(vec.write_u32::<BigEndian>(self.receive_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(vec.write_u32::<BigEndian>(self.receive_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(vec.write_u32::<BigEndian>(self.transmit_timestamp.seconds));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(vec.write_u32::<BigEndian>(self.transmit_timestamp.fraction));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let leap_version_mode = try!(reader.read_u8());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:123:26
[INFO] [stdout]     |
[INFO] [stdout] 123 |         header.stratum = try!(reader.read_u8());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |         header.poll = try!(reader.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |         header.precision = try!(reader.read_u8());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |         header.root_delay = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |         header.root_dispersion = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:128:31
[INFO] [stdout]     |
[INFO] [stdout] 128 |         header.reference_id = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |         header.reference_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:130:47
[INFO] [stdout]     |
[INFO] [stdout] 130 |         header.reference_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:131:43
[INFO] [stdout]     |
[INFO] [stdout] 131 |         header.origin_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:132:44
[INFO] [stdout]     |
[INFO] [stdout] 132 |         header.origin_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:133:44
[INFO] [stdout]     |
[INFO] [stdout] 133 |         header.receive_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:134:45
[INFO] [stdout]     |
[INFO] [stdout] 134 |         header.receive_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:135:45
[INFO] [stdout]     |
[INFO] [stdout] 135 |         header.transmit_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ntp.rs:136:46
[INFO] [stdout]     |
[INFO] [stdout] 136 |         header.transmit_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[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/error.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:38:32
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 38 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Error::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.19s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/clock_server-6e01a3b85038c61b)
[INFO] running `Command { std: "docker" "inspect" "31249ff8a1ca7abc0e466681535d3afe3368dd1d279ce7cac39e10bf8f250042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31249ff8a1ca7abc0e466681535d3afe3368dd1d279ce7cac39e10bf8f250042", kill_on_drop: false }`
[INFO] [stdout] 31249ff8a1ca7abc0e466681535d3afe3368dd1d279ce7cac39e10bf8f250042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 753ce81aa631d2e12a51725eab9946b0947b80d71b1822f2a50cd040c546552e
[INFO] running `Command { std: "docker" "start" "-a" "753ce81aa631d2e12a51725eab9946b0947b80d71b1822f2a50cd040c546552e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         try!(vec.write_u8(self.leap << LEAP_SHIFT | self.version << VERSION_SHIFT | self.mode));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(vec.write_u8(self.stratum));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(vec.write_u8(self.poll));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(vec.write_u8(self.precision));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(vec.write_u32::<BigEndian>(self.root_delay));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         try!(vec.write_u32::<BigEndian>(self.root_dispersion));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/ntp.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         try!(vec.write_u32::<BigEndian>(self.reference_id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         try!(vec.write_u32::<BigEndian>(self.reference_timestamp.seconds));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         try!(vec.write_u32::<BigEndian>(self.reference_timestamp.fraction));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(vec.write_u32::<BigEndian>(self.origin_timestamp.seconds));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(vec.write_u32::<BigEndian>(self.origin_timestamp.fraction));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(vec.write_u32::<BigEndian>(self.receive_timestamp.seconds));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(vec.write_u32::<BigEndian>(self.receive_timestamp.fraction));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(vec.write_u32::<BigEndian>(self.transmit_timestamp.seconds));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(vec.write_u32::<BigEndian>(self.transmit_timestamp.fraction));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:119:33
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let leap_version_mode = try!(reader.read_u8());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |         header.stratum = try!(reader.read_u8());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:124:23
[INFO] [stderr]     |
[INFO] [stderr] 124 |         header.poll = try!(reader.read_u8());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:125:28
[INFO] [stderr]     |
[INFO] [stderr] 125 |         header.precision = try!(reader.read_u8());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:126:29
[INFO] [stderr]     |
[INFO] [stderr] 126 |         header.root_delay = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:127:34
[INFO] [stderr]     |
[INFO] [stderr] 127 |         header.root_dispersion = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:128:31
[INFO] [stderr]     |
[INFO] [stderr] 128 |         header.reference_id = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:129:46
[INFO] [stderr]     |
[INFO] [stderr] 129 |         header.reference_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:130:47
[INFO] [stderr]     |
[INFO] [stderr] 130 |         header.reference_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:131:43
[INFO] [stderr]     |
[INFO] [stderr] 131 |         header.origin_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:132:44
[INFO] [stderr]     |
[INFO] [stderr] 132 |         header.origin_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:133:44
[INFO] [stderr]     |
[INFO] [stderr] 133 |         header.receive_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:134:45
[INFO] [stderr]     |
[INFO] [stderr] 134 |         header.receive_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:135:45
[INFO] [stderr]     |
[INFO] [stderr] 135 |         header.transmit_timestamp.seconds = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/ntp.rs:136:46
[INFO] [stderr]     |
[INFO] [stderr] 136 |         header.transmit_timestamp.fraction = try!(reader.read_u32::<BigEndian>());
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:34:49
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 38 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `clock-server` (bin "clock-server" test) generated 33 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/clock_server-6e01a3b85038c61b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ntp::tests::from_datetime ... ok
[INFO] [stdout] test ntp::tests::to_datetime ... ok
[INFO] [stdout] test ntp::tests::ntp_header_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "753ce81aa631d2e12a51725eab9946b0947b80d71b1822f2a50cd040c546552e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753ce81aa631d2e12a51725eab9946b0947b80d71b1822f2a50cd040c546552e", kill_on_drop: false }`
[INFO] [stdout] 753ce81aa631d2e12a51725eab9946b0947b80d71b1822f2a50cd040c546552e