[INFO] fetching crate cdb 0.6.0... [INFO] checking cdb-0.6.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate cdb 0.6.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate cdb 0.6.0 [INFO] finished tweaking crates.io crate cdb 0.6.0 [INFO] tweaked toml for crates.io crate cdb 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cdb 0.6.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 60 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.2.11 (available: v0.6.0) [INFO] [stderr] Adding filebuffer v0.4.0 (available: v1.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 361d5b2999778bd772a31f9f19f2d74ef08d491c412067e5993f06e27863a990 [INFO] running `Command { std: "docker" "start" "-a" "361d5b2999778bd772a31f9f19f2d74ef08d491c412067e5993f06e27863a990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "361d5b2999778bd772a31f9f19f2d74ef08d491c412067e5993f06e27863a990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "361d5b2999778bd772a31f9f19f2d74ef08d491c412067e5993f06e27863a990", kill_on_drop: false }` [INFO] [stdout] 361d5b2999778bd772a31f9f19f2d74ef08d491c412067e5993f06e27863a990 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bdbb3992a3614f5a3f062131edc2eb51cad3e4a9e12591eb0e20377950bdb65 [INFO] running `Command { std: "docker" "start" "-a" "9bdbb3992a3614f5a3f062131edc2eb51cad3e4a9e12591eb0e20377950bdb65", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking filebuffer v0.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking cdb v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/reader.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | try!(self.read(&mut buf[..n], pos)); [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/reader.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | try!(self.cdb.read(&mut result[..], self.dpos)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | try!(w.seek(io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | try!(w.write(&buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | try!(self.pos_plus(8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | try!(self.pos_plus(keylen)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | try!(self.pos_plus(datalen)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | try!(self.file.write(&buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | try!(self.add_begin(key.len() as u32, data.len() as u32)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | try!(self.file.write(key)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | try!(self.file.write(data)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | try!(self.file.flush()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | try!(self.file.seek(io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | try!(self.file.write(&header)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | try!(self.file.flush()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | try!(self.file.write(&buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:138:17 [INFO] [stdout] | [INFO] [stdout] 138 | try!(self.pos_plus(8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:199:20 [INFO] [stdout] | [INFO] [stdout] 199 | let file = try!(fs::File::create(&tmpname)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:200:19 [INFO] [stdout] | [INFO] [stdout] 200 | let cdb = try!(CDBMake::new(file)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | try!(self.cdb.take().unwrap().finish()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | try!(fs::rename(&self.tmpname, &self.dstname)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/reader.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn find(&self, key: &[u8]) -> CDBValueIter { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 116 | pub fn find(&self, key: &[u8]) -> CDBValueIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/reader.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn iter(&self) -> CDBKeyValueIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 131 | pub fn iter(&self) -> CDBKeyValueIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/reader.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | try!(self.read(&mut buf[..n], pos)); [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/reader.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | try!(self.cdb.read(&mut result[..], self.dpos)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | try!(w.seek(io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | try!(w.write(&buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | try!(self.pos_plus(8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | try!(self.pos_plus(keylen)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | try!(self.pos_plus(datalen)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | try!(self.file.write(&buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | try!(self.add_begin(key.len() as u32, data.len() as u32)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | try!(self.file.write(key)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | try!(self.file.write(data)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | try!(self.file.flush()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | try!(self.file.seek(io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | try!(self.file.write(&header)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | try!(self.file.flush()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:137:17 [INFO] [stdout] | [INFO] [stdout] 137 | try!(self.file.write(&buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:138:17 [INFO] [stdout] | [INFO] [stdout] 138 | try!(self.pos_plus(8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:199:20 [INFO] [stdout] | [INFO] [stdout] 199 | let file = try!(fs::File::create(&tmpname)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:200:19 [INFO] [stdout] | [INFO] [stdout] 200 | let cdb = try!(CDBMake::new(file)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | try!(self.cdb.take().unwrap().finish()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/writer.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | try!(fs::rename(&self.tmpname, &self.dstname)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/reader.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn find(&self, key: &[u8]) -> CDBValueIter { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 116 | pub fn find(&self, key: &[u8]) -> CDBValueIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/reader.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn iter(&self) -> CDBKeyValueIter { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 131 | pub fn iter(&self) -> CDBKeyValueIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [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" "9bdbb3992a3614f5a3f062131edc2eb51cad3e4a9e12591eb0e20377950bdb65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bdbb3992a3614f5a3f062131edc2eb51cad3e4a9e12591eb0e20377950bdb65", kill_on_drop: false }` [INFO] [stdout] 9bdbb3992a3614f5a3f062131edc2eb51cad3e4a9e12591eb0e20377950bdb65