[INFO] fetching crate twoway 0.2.2... [INFO] testing twoway-0.2.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate twoway 0.2.2 into /workspace/builds/worker-0-tc1/source [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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate twoway 0.2.2 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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: v1.1.0) [INFO] [stderr] Adding rand v0.6.5 (available: v0.10.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jetscii v0.3.1 [INFO] [stderr] Downloaded rawslice v0.1.1 [INFO] [stderr] Downloaded macro-attr v0.2.0 [INFO] [stderr] Downloaded quickcheck v0.8.5 [INFO] [stderr] Downloaded unchecked-index v0.2.2 [INFO] [stderr] Downloaded rawpointer v0.1.0 [INFO] [stderr] Downloaded defmac v0.1.3 [INFO] [stderr] Downloaded galil-seiferas v0.1.5 [INFO] [stderr] Downloaded odds v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1e4380702f4812eba3dfb4c7b2a479a6f27231f2807f5be52676446676120bc [INFO] running `Command { std: "docker" "start" "-a" "e1e4380702f4812eba3dfb4c7b2a479a6f27231f2807f5be52676446676120bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1e4380702f4812eba3dfb4c7b2a479a6f27231f2807f5be52676446676120bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e4380702f4812eba3dfb4c7b2a479a6f27231f2807f5be52676446676120bc", kill_on_drop: false }` [INFO] [stdout] e1e4380702f4812eba3dfb4c7b2a479a6f27231f2807f5be52676446676120bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f38955cc69dfe001d183e5eb6478ae9d3b6ce5b4a93e231cc9fbf798fc91eb6e [INFO] running `Command { std: "docker" "start" "-a" "f38955cc69dfe001d183e5eb6478ae9d3b6ce5b4a93e231cc9fbf798fc91eb6e", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling unchecked-index v0.2.2 [INFO] [stderr] Compiling memchr v2.8.0 [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 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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 [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 [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 [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)]` (part of `#[warn(unused)]`) 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(EmptyNeedle), [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(TwoWaySearcher), [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 1.05s [INFO] running `Command { std: "docker" "inspect" "f38955cc69dfe001d183e5eb6478ae9d3b6ce5b4a93e231cc9fbf798fc91eb6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f38955cc69dfe001d183e5eb6478ae9d3b6ce5b4a93e231cc9fbf798fc91eb6e", kill_on_drop: false }` [INFO] [stdout] f38955cc69dfe001d183e5eb6478ae9d3b6ce5b4a93e231cc9fbf798fc91eb6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9da32734ac4fe8eea32941334bd6347ee6ed40901956bf37aafd0ccf2a43af4 [INFO] running `Command { std: "docker" "start" "-a" "e9da32734ac4fe8eea32941334bd6347ee6ed40901956bf37aafd0ccf2a43af4", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` 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 v0.1.0 [INFO] [stderr] Compiling macro-attr v0.2.0 [INFO] [stderr] Compiling rawslice v0.1.1 [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 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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 [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 [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 [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)]` (part of `#[warn(unused)]`) 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(EmptyNeedle), [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(TwoWaySearcher), [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_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling odds v0.3.1 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling newtype_derive v0.1.6 [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 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) 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 [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 [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 [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)]` (part of `#[warn(unused)]`) 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(EmptyNeedle), [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(TwoWaySearcher), [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 3.36s [INFO] running `Command { std: "docker" "inspect" "e9da32734ac4fe8eea32941334bd6347ee6ed40901956bf37aafd0ccf2a43af4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9da32734ac4fe8eea32941334bd6347ee6ed40901956bf37aafd0ccf2a43af4", kill_on_drop: false }` [INFO] [stdout] e9da32734ac4fe8eea32941334bd6347ee6ed40901956bf37aafd0ccf2a43af4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f399a45d65d890c8e1513f966a6966a2a85cf3f15f86cf67e851d981d1cbc483 [INFO] running `Command { std: "docker" "start" "-a" "f399a45d65d890c8e1513f966a6966a2a85cf3f15f86cf67e851d981d1cbc483", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/lib.rs:800:18 [INFO] [stderr] | [INFO] [stderr] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/lib.rs:800:25 [INFO] [stderr] | [INFO] [stderr] 800 | fn rejecting(usize, usize) -> Self::Output; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/lib.rs:801:17 [INFO] [stderr] | [INFO] [stderr] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/lib.rs:801:24 [INFO] [stderr] | [INFO] [stderr] 801 | fn matching(usize, usize) -> Self::Output; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: usize` [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 [INFO] [stderr] [INFO] [stderr] warning: fields `haystack`, `needle`, and `searcher` are never read [INFO] [stderr] --> src/lib.rs:156:5 [INFO] [stderr] | [INFO] [stderr] 155 | pub struct StrSearcher<'a, 'b> { [INFO] [stderr] | ----------- fields in this struct [INFO] [stderr] 156 | haystack: &'a str, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 157 | needle: &'b str, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 158 | [INFO] [stderr] 159 | searcher: StrSearcherImpl, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `StrSearcher` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:164:11 [INFO] [stderr] | [INFO] [stderr] 164 | Empty(EmptyNeedle), [INFO] [stderr] | ----- ^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 164 - Empty(EmptyNeedle), [INFO] [stderr] 164 + Empty(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:165:12 [INFO] [stderr] | [INFO] [stderr] 165 | TwoWay(TwoWaySearcher), [INFO] [stderr] | ------ ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `StrSearcherImpl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 165 - TwoWay(TwoWaySearcher), [INFO] [stderr] 165 + TwoWay(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `position`, `end`, `is_match_fw`, and `is_match_bw` are never read [INFO] [stderr] --> src/lib.rs:170:5 [INFO] [stderr] | [INFO] [stderr] 169 | struct EmptyNeedle { [INFO] [stderr] | ----------- fields in this struct [INFO] [stderr] 170 | position: usize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 171 | end: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] 172 | is_match_fw: bool, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 173 | is_match_bw: bool, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `EmptyNeedle` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `twoway` (lib) generated 8 warnings (run `cargo fix --lib -p twoway` to apply 4 suggestions) [INFO] [stderr] warning: `twoway` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/twoway-eb5d08cd01d3bf0a) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test maximal_suffix ... ok [INFO] [stdout] test maximal_suffix_verbose ... ok [INFO] [stdout] test pcmp::test_first_start_of_match ... ok [INFO] [stdout] test tw::test_max ... ok [INFO] [stdout] test pcmp::test_find ... ok [INFO] [stdout] test tw::test_max_suf_pos ... ok [INFO] [stdout] test tw::test_find ... ok [INFO] [stdout] test tw::test_maxsuf_and_period ... ok [INFO] [stdout] test pcmp::test_prefixlen ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/quick.rs (/opt/rustwide/target/debug/deps/quick-6be124fd4df5dcde) [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 twoway [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" "f399a45d65d890c8e1513f966a6966a2a85cf3f15f86cf67e851d981d1cbc483", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f399a45d65d890c8e1513f966a6966a2a85cf3f15f86cf67e851d981d1cbc483", kill_on_drop: false }` [INFO] [stdout] f399a45d65d890c8e1513f966a6966a2a85cf3f15f86cf67e851d981d1cbc483