[INFO] fetching crate netdb 0.1.0...
[INFO] testing netdb-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate netdb 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate netdb 0.1.0
[INFO] finished tweaking crates.io crate netdb 0.1.0
[INFO] tweaked toml for crates.io crate netdb 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netdb 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding domain v0.2.4 (available: v0.11.1)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adad80529c47f4eb2bbb0051d7700234978fa292f1b8963f2dd3c5dc23d4b25d
[INFO] running `Command { std: "docker" "start" "-a" "adad80529c47f4eb2bbb0051d7700234978fa292f1b8963f2dd3c5dc23d4b25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adad80529c47f4eb2bbb0051d7700234978fa292f1b8963f2dd3c5dc23d4b25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adad80529c47f4eb2bbb0051d7700234978fa292f1b8963f2dd3c5dc23d4b25d", kill_on_drop: false }`
[INFO] [stdout] adad80529c47f4eb2bbb0051d7700234978fa292f1b8963f2dd3c5dc23d4b25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db556f35c6cc845ff860d338764ac6629c0db3c17dc04c0be88eb8e5e7a8c701
[INFO] running `Command { std: "docker" "start" "-a" "db556f35c6cc845ff860d338764ac6629c0db3c17dc04c0be88eb8e5e7a8c701", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling domain v0.2.4
[INFO] [stderr]    Compiling netdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut file = try!(fs::File::open(path));
[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/hosts/files.rs:153:37
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let _ = self.parse_line(try!(line));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let addr = try!(words.next().ok_or(Error::ParseError));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let addr = try!(IpAddr::from_str(addr));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let cname = try!(words.next().ok_or(Error::ParseError));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let cname = try!(DNameBuf::from_str(cname));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:180:24
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let name = try!(DNameBuf::from_str(name));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/hosts/files.rs:204:40
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Error::IoError(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/hosts/files.rs:237:14
[INFO] [stdout]     |
[INFO] [stdout] 237 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:121:46
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn lookup_host<N: AsRef<DNameSlice>>(&self, name: N)
[INFO] [stdout]     |                                              ^^^^^ the lifetime is elided here
[INFO] [stdout] 122 |                                              -> Option<slice::Iter<IpAddr>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |                                              -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<IpAddr>> {
[INFO] [stdout]     |                     ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<DNameBuf>> {
[INFO] [stdout]     |                        ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<'_, DNameBuf>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "db556f35c6cc845ff860d338764ac6629c0db3c17dc04c0be88eb8e5e7a8c701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db556f35c6cc845ff860d338764ac6629c0db3c17dc04c0be88eb8e5e7a8c701", kill_on_drop: false }`
[INFO] [stdout] db556f35c6cc845ff860d338764ac6629c0db3c17dc04c0be88eb8e5e7a8c701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9c0b5a4470c756a2102503a6e83bc7160497e772a26d59e98f23b7adc62908
[INFO] running `Command { std: "docker" "start" "-a" "8c9c0b5a4470c756a2102503a6e83bc7160497e772a26d59e98f23b7adc62908", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut file = try!(fs::File::open(path));
[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/hosts/files.rs:153:37
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let _ = self.parse_line(try!(line));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let addr = try!(words.next().ok_or(Error::ParseError));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let addr = try!(IpAddr::from_str(addr));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let cname = try!(words.next().ok_or(Error::ParseError));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let cname = try!(DNameBuf::from_str(cname));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:180:24
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let name = try!(DNameBuf::from_str(name));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/hosts/files.rs:204:40
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Error::IoError(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/hosts/files.rs:237:14
[INFO] [stdout]     |
[INFO] [stdout] 237 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling netdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:121:46
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn lookup_host<N: AsRef<DNameSlice>>(&self, name: N)
[INFO] [stdout]     |                                              ^^^^^ the lifetime is elided here
[INFO] [stdout] 122 |                                              -> Option<slice::Iter<IpAddr>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |                                              -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<IpAddr>> {
[INFO] [stdout]     |                     ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<DNameBuf>> {
[INFO] [stdout]     |                        ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<'_, DNameBuf>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:142:24
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let mut file = try!(fs::File::open(path));
[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/hosts/files.rs:153:37
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let _ = self.parse_line(try!(line));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:170:20
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let addr = try!(words.next().ok_or(Error::ParseError));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let addr = try!(IpAddr::from_str(addr));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let cname = try!(words.next().ok_or(Error::ParseError));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let cname = try!(DNameBuf::from_str(cname));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts/files.rs:180:24
[INFO] [stdout]     |
[INFO] [stdout] 180 |             let name = try!(DNameBuf::from_str(name));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/hosts/files.rs:204:40
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Error::IoError(ref e) => e.description(),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/hosts/files.rs:237:14
[INFO] [stdout]     |
[INFO] [stdout] 237 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:121:46
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn lookup_host<N: AsRef<DNameSlice>>(&self, name: N)
[INFO] [stdout]     |                                              ^^^^^ the lifetime is elided here
[INFO] [stdout] 122 |                                              -> Option<slice::Iter<IpAddr>> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |                                              -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<IpAddr>> {
[INFO] [stdout]     |                     ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hosts/files.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<DNameBuf>> {
[INFO] [stdout]     |                        ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<'_, DNameBuf>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "8c9c0b5a4470c756a2102503a6e83bc7160497e772a26d59e98f23b7adc62908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9c0b5a4470c756a2102503a6e83bc7160497e772a26d59e98f23b7adc62908", kill_on_drop: false }`
[INFO] [stdout] 8c9c0b5a4470c756a2102503a6e83bc7160497e772a26d59e98f23b7adc62908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96cec76f786b9c9228362effd29de60a6232c63f8568de76cc774f20d3547182
[INFO] running `Command { std: "docker" "start" "-a" "96cec76f786b9c9228362effd29de60a6232c63f8568de76cc774f20d3547182", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/hosts/files.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let mut file = try!(fs::File::open(path));
[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/hosts/files.rs:153:37
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let _ = self.parse_line(try!(line));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/hosts/files.rs:170:20
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let addr = try!(words.next().ok_or(Error::ParseError));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/hosts/files.rs:171:20
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let addr = try!(IpAddr::from_str(addr));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/hosts/files.rs:173:21
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let cname = try!(words.next().ok_or(Error::ParseError));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/hosts/files.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let cname = try!(DNameBuf::from_str(cname));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/hosts/files.rs:180:24
[INFO] [stderr]     |
[INFO] [stderr] 180 |             let name = try!(DNameBuf::from_str(name));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/hosts/files.rs:204:40
[INFO] [stderr]     |
[INFO] [stderr] 204 |             Error::IoError(ref e) => e.description(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/hosts/files.rs:237:14
[INFO] [stderr]     |
[INFO] [stderr] 237 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/hosts/files.rs:121:46
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn lookup_host<N: AsRef<DNameSlice>>(&self, name: N)
[INFO] [stderr]     |                                              ^^^^^ the lifetime is elided here
[INFO] [stderr] 122 |                                              -> Option<slice::Iter<IpAddr>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 122 |                                              -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stderr]     |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/hosts/files.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<IpAddr>> {
[INFO] [stderr]     |                     ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn _lookup_host(&self, name: &DNameSlice) -> Option<slice::Iter<'_, IpAddr>> {
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/hosts/files.rs:131:24
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<DNameBuf>> {
[INFO] [stderr]     |                        ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn lookup_addr(&self, addr: IpAddr) -> Option<slice::Iter<'_, DNameBuf>> {
[INFO] [stderr]     |                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `netdb` (lib) generated 12 warnings (run `cargo fix --lib -p netdb` to apply 3 suggestions)
[INFO] [stderr] warning: `netdb` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/netdb-a6be168b390a8a7e)
[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] [stderr]    Doc-tests netdb
[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" "96cec76f786b9c9228362effd29de60a6232c63f8568de76cc774f20d3547182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cec76f786b9c9228362effd29de60a6232c63f8568de76cc774f20d3547182", kill_on_drop: false }`
[INFO] [stdout] 96cec76f786b9c9228362effd29de60a6232c63f8568de76cc774f20d3547182
