[INFO] fetching crate twoway 0.2.2... [INFO] building twoway-0.2.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate twoway 0.2.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate twoway 0.2.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate twoway 0.2.2 [INFO] finished tweaking crates.io crate twoway 0.2.2 [INFO] tweaked toml for crates.io crate twoway 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.8.2 (available: v0.14.0) [INFO] [stderr] Adding jetscii v0.3.1 (available: v0.5.3) [INFO] [stderr] Adding odds v0.3.1 (available: v0.4.0) [INFO] [stderr] Adding quickcheck v0.8.5 (available: v1.0.3) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded defmac v0.1.3 [INFO] [stderr] Downloaded macro-attr v0.2.0 [INFO] [stderr] Downloaded odds v0.3.1 [INFO] [stderr] Downloaded rawslice v0.1.1 [INFO] [stderr] Downloaded jetscii v0.3.1 [INFO] [stderr] Downloaded galil-seiferas v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6473cca7e8e76b594c61fa0ba25770f6cbdc38315b19e9b6dde0421369f668a [INFO] running `Command { std: "docker" "start" "-a" "b6473cca7e8e76b594c61fa0ba25770f6cbdc38315b19e9b6dde0421369f668a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6473cca7e8e76b594c61fa0ba25770f6cbdc38315b19e9b6dde0421369f668a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6473cca7e8e76b594c61fa0ba25770f6cbdc38315b19e9b6dde0421369f668a", kill_on_drop: false }` [INFO] [stdout] b6473cca7e8e76b594c61fa0ba25770f6cbdc38315b19e9b6dde0421369f668a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74fb690f37eb2227f7b5bac664e9eeafb775a0ee1e72cf1a18fd239e919c0673 [INFO] running `Command { std: "docker" "start" "-a" "74fb690f37eb2227f7b5bac664e9eeafb775a0ee1e72cf1a18fd239e919c0673", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling unchecked-index v0.2.2 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling twoway v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:800:18 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:800:25 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:801:17 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:801:24 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `haystack`, `needle`, and `searcher` are never read [INFO] [stdout] --> src/lib.rs:156:5 [INFO] [stdout] | [INFO] [stdout] 155 | pub struct StrSearcher<'a, 'b> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 156 | haystack: &'a str, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 157 | needle: &'b str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 158 | [INFO] [stdout] 159 | searcher: StrSearcherImpl, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:164:11 [INFO] [stdout] | [INFO] [stdout] 164 | Empty(EmptyNeedle), [INFO] [stdout] | ----- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 164 | Empty(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | TwoWay(TwoWaySearcher), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 165 | TwoWay(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `end`, `is_match_fw`, and `is_match_bw` are never read [INFO] [stdout] --> src/lib.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 169 | struct EmptyNeedle { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 170 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 171 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 172 | is_match_fw: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 173 | is_match_bw: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EmptyNeedle` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "74fb690f37eb2227f7b5bac664e9eeafb775a0ee1e72cf1a18fd239e919c0673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74fb690f37eb2227f7b5bac664e9eeafb775a0ee1e72cf1a18fd239e919c0673", kill_on_drop: false }` [INFO] [stdout] 74fb690f37eb2227f7b5bac664e9eeafb775a0ee1e72cf1a18fd239e919c0673 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b242cc05ac94b5986c69228638b713b9921f6204a1bf2a1cd43466ef711a77f8 [INFO] running `Command { std: "docker" "start" "-a" "b242cc05ac94b5986c69228638b713b9921f6204a1bf2a1cd43466ef711a77f8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling macro-attr v0.2.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rawslice v0.1.1 [INFO] [stderr] Compiling odds v0.3.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:800:18 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:800:25 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:801:17 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:801:24 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `haystack`, `needle`, and `searcher` are never read [INFO] [stdout] --> src/lib.rs:156:5 [INFO] [stdout] | [INFO] [stdout] 155 | pub struct StrSearcher<'a, 'b> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 156 | haystack: &'a str, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 157 | needle: &'b str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 158 | [INFO] [stdout] 159 | searcher: StrSearcherImpl, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:164:11 [INFO] [stdout] | [INFO] [stdout] 164 | Empty(EmptyNeedle), [INFO] [stdout] | ----- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 164 | Empty(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | TwoWay(TwoWaySearcher), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 165 | TwoWay(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `end`, `is_match_fw`, and `is_match_bw` are never read [INFO] [stdout] --> src/lib.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 169 | struct EmptyNeedle { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 170 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 171 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 172 | is_match_fw: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 173 | is_match_bw: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EmptyNeedle` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quickcheck v0.8.5 [INFO] [stderr] Compiling twoway v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:800:18 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:800:25 [INFO] [stdout] | [INFO] [stdout] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:801:17 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:801:24 [INFO] [stdout] | [INFO] [stdout] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `haystack`, `needle`, and `searcher` are never read [INFO] [stdout] --> src/lib.rs:156:5 [INFO] [stdout] | [INFO] [stdout] 155 | pub struct StrSearcher<'a, 'b> { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 156 | haystack: &'a str, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 157 | needle: &'b str, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 158 | [INFO] [stdout] 159 | searcher: StrSearcherImpl, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:164:11 [INFO] [stdout] | [INFO] [stdout] 164 | Empty(EmptyNeedle), [INFO] [stdout] | ----- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 164 | Empty(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | TwoWay(TwoWaySearcher), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 165 | TwoWay(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `end`, `is_match_fw`, and `is_match_bw` are never read [INFO] [stdout] --> src/lib.rs:170:5 [INFO] [stdout] | [INFO] [stdout] 169 | struct EmptyNeedle { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 170 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 171 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 172 | is_match_fw: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 173 | is_match_bw: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EmptyNeedle` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "b242cc05ac94b5986c69228638b713b9921f6204a1bf2a1cd43466ef711a77f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b242cc05ac94b5986c69228638b713b9921f6204a1bf2a1cd43466ef711a77f8", kill_on_drop: false }` [INFO] [stdout] b242cc05ac94b5986c69228638b713b9921f6204a1bf2a1cd43466ef711a77f8