[INFO] fetching crate dht 0.0.6...
[INFO] testing dht-0.0.6 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate dht 0.0.6 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dht 0.0.6 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dht 0.0.6
[INFO] finished tweaking crates.io crate dht 0.0.6
[INFO] tweaked toml for crates.io crate dht 0.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba80a40d6db04af34cfa40d201f716a4d75df2fa500f9f3532e790cf7ef9fd0
[INFO] running `Command { std: "docker" "start" "-a" "cba80a40d6db04af34cfa40d201f716a4d75df2fa500f9f3532e790cf7ef9fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba80a40d6db04af34cfa40d201f716a4d75df2fa500f9f3532e790cf7ef9fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba80a40d6db04af34cfa40d201f716a4d75df2fa500f9f3532e790cf7ef9fd0", kill_on_drop: false }`
[INFO] [stdout] cba80a40d6db04af34cfa40d201f716a4d75df2fa500f9f3532e790cf7ef9fd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 713cddec4e9ef09d94e0b9aa1bdec8dd9fa6aaaaf30f09124c5e6cd34d7738d8
[INFO] running `Command { std: "docker" "start" "-a" "713cddec4e9ef09d94e0b9aa1bdec8dd9fa6aaaaf30f09124c5e6cd34d7738d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling dht v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/base.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let s: &str = &try!(d.read_str());
[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/base.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let s = try!(d.read_str());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             try!(s.emit_struct_field("address", 0, |s2| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             try!(s.emit_struct_field("id", 1, |s2| self.id.encode(s2)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let addr = try!(d.read_struct_field("address", 0, |d2| {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 let s = try!(d2.read_str());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:200:22
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let id = try!(d.read_struct_field("id", 1, TId::decode));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn format_response(&self, Response<Self::Id, Self::Addr, Self::Value>) -> Vec<u8>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Response<Self::Id, Self::Addr, Self::Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/knodetable.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |               panic!(format!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 88 | |                     greater than the hash size ({:?})",
[INFO] [stdout] 89 | |                     id, self.this_id, res, self.hash_size));
[INFO] [stdout]    | |__________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 ~             panic!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stdout] 88 |                     greater than the hash size ({:?})",
[INFO] [stdout] 89 ~                     id, self.this_id, res, self.hash_size);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "713cddec4e9ef09d94e0b9aa1bdec8dd9fa6aaaaf30f09124c5e6cd34d7738d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713cddec4e9ef09d94e0b9aa1bdec8dd9fa6aaaaf30f09124c5e6cd34d7738d8", kill_on_drop: false }`
[INFO] [stdout] 713cddec4e9ef09d94e0b9aa1bdec8dd9fa6aaaaf30f09124c5e6cd34d7738d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4898af12095790c207e6cef3b173cd2df01d9fa8432253eb5fae369c68d86e0b
[INFO] running `Command { std: "docker" "start" "-a" "4898af12095790c207e6cef3b173cd2df01d9fa8432253eb5fae369c68d86e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dht v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/base.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let s: &str = &try!(d.read_str());
[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/base.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let s = try!(d.read_str());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             try!(s.emit_struct_field("address", 0, |s2| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             try!(s.emit_struct_field("id", 1, |s2| self.id.encode(s2)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let addr = try!(d.read_struct_field("address", 0, |d2| {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 let s = try!(d2.read_str());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:200:22
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let id = try!(d.read_struct_field("id", 1, TId::decode));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn format_response(&self, Response<Self::Id, Self::Addr, Self::Value>) -> Vec<u8>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Response<Self::Id, Self::Addr, Self::Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/knodetable.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |               panic!(format!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 88 | |                     greater than the hash size ({:?})",
[INFO] [stdout] 89 | |                     id, self.this_id, res, self.hash_size));
[INFO] [stdout]    | |__________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 ~             panic!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stdout] 88 |                     greater than the hash size ({:?})",
[INFO] [stdout] 89 ~                     id, self.this_id, res, self.hash_size);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/base.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let s: &str = &try!(d.read_str());
[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/base.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let s = try!(d.read_str());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             try!(s.emit_struct_field("address", 0, |s2| {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:178:13
[INFO] [stdout]     |
[INFO] [stdout] 178 |             try!(s.emit_struct_field("id", 1, |s2| self.id.encode(s2)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let addr = try!(d.read_struct_field("address", 0, |d2| {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 let s = try!(d2.read_str());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/base.rs:200:22
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let id = try!(d.read_struct_field("id", 1, TId::decode));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/base.rs:217:28
[INFO] [stdout]     |
[INFO] [stdout] 217 |     #[derive(Debug, Clone, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/base.rs:217:44
[INFO] [stdout]     |
[INFO] [stdout] 217 |     #[derive(Debug, Clone, RustcEncodable, RustcDecodable)]
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn format_response(&self, Response<Self::Id, Self::Addr, Self::Value>) -> Vec<u8>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Response<Self::Id, Self::Addr, Self::Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/knodetable.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |               panic!(format!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 88 | |                     greater than the hash size ({:?})",
[INFO] [stdout] 89 | |                     id, self.this_id, res, self.hash_size));
[INFO] [stdout]    | |__________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 87 ~             panic!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stdout] 88 |                     greater than the hash size ({:?})",
[INFO] [stdout] 89 ~                     id, self.this_id, res, self.hash_size);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4898af12095790c207e6cef3b173cd2df01d9fa8432253eb5fae369c68d86e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4898af12095790c207e6cef3b173cd2df01d9fa8432253eb5fae369c68d86e0b", kill_on_drop: false }`
[INFO] [stdout] 4898af12095790c207e6cef3b173cd2df01d9fa8432253eb5fae369c68d86e0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60f92578ce6311762df2cf086f0eba545ccf4a342806f63e91292235daeff416
[INFO] running `Command { std: "docker" "start" "-a" "60f92578ce6311762df2cf086f0eba545ccf4a342806f63e91292235daeff416", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/base.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let s: &str = &try!(d.read_str());
[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/base.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let s = try!(d.read_str());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/base.rs:173:13
[INFO] [stderr]     |
[INFO] [stderr] 173 |             try!(s.emit_struct_field("address", 0, |s2| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/base.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             try!(s.emit_struct_field("id", 1, |s2| self.id.encode(s2)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/base.rs:189:24
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let addr = try!(d.read_struct_field("address", 0, |d2| {
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/base.rs:190:25
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 let s = try!(d2.read_str());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/base.rs:200:22
[INFO] [stderr]     |
[INFO] [stderr] 200 |             let id = try!(d.read_struct_field("id", 1, TId::decode));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/protocol.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn format_response(&self, Response<Self::Id, Self::Addr, Self::Value>) -> Vec<u8>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Response<Self::Id, Self::Addr, Self::Value>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/knodetable.rs:87:20
[INFO] [stderr]    |
[INFO] [stderr] 87 |               panic!(format!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 88 | |                     greater than the hash size ({:?})",
[INFO] [stderr] 89 | |                     id, self.this_id, res, self.hash_size));
[INFO] [stderr]    | |__________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 87 ~             panic!("Distance between IDs {:?} and {:?} is {:?}, which is \
[INFO] [stderr] 88 |                     greater than the hash size ({:?})",
[INFO] [stderr] 89 ~                     id, self.this_id, res, self.hash_size);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/base.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |     #[derive(Debug, Clone, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]    --> src/base.rs:217:44
[INFO] [stderr]     |
[INFO] [stderr] 217 |     #[derive(Debug, Clone, RustcEncodable, RustcDecodable)]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dht` (lib) generated 9 warnings (run `cargo fix --lib -p dht` to apply 2 suggestions)
[INFO] [stderr] warning: `dht` (lib test) generated 11 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dht-659ee5c1056f2549)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test base::test::test_node_encode_decode ... ok
[INFO] [stdout] test base::test::test_node_decode ... ok
[INFO] [stdout] test base::test::test_node_decode_bad_id ... ok
[INFO] [stdout] test base::test::test_node_decode_bad_address ... ok
[INFO] [stdout] test base::test::test_node_encode ... ok
[INFO] [stdout] test knodetable::test::test_kbucket_update_unknown ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_bucket_number ... ok
[INFO] [stdout] test knodetable::test::test_kbucket_find ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_new ... ok
[INFO] [stdout] test knodetable::test::test_kbucket_update_known ... ok
[INFO] [stdout] test knodetable::test::test_kbucket_find_too_much ... ok
[INFO] [stdout] test base::test::test_generic_api ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_pop_oldest ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_find ... ok
[INFO] [stdout] test knodetable::test::test_kbucket_new ... ok
[INFO] [stdout] test knodetable::test::test_kbucket_update_conflict ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_random_id ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_update ... ok
[INFO] [stdout] test service::test::test_ping_find_clean ... ok
[INFO] [stdout] test service::test::test_ping_find_value ... ok
[INFO] [stdout] test service::test::test_find_saves_node ... ok
[INFO] [stdout] test service::test::test_new ... ok
[INFO] [stdout] test knodetable::test::test_nodetable_find_overflow - should panic ... ok
[INFO] [stderr]    Doc-tests dht
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60f92578ce6311762df2cf086f0eba545ccf4a342806f63e91292235daeff416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f92578ce6311762df2cf086f0eba545ccf4a342806f63e91292235daeff416", kill_on_drop: false }`
[INFO] [stdout] 60f92578ce6311762df2cf086f0eba545ccf4a342806f63e91292235daeff416
