[INFO] fetching crate rel 0.2.0...
[INFO] testing rel-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rel 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rel 0.2.0
[INFO] finished tweaking crates.io crate rel 0.2.0
[INFO] tweaked toml for crates.io crate rel 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rel 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44829f36ea0b69a4f3f5dd276796b5927b7dd8ef5fcc35c3a2fd07188f35b34c
[INFO] running `Command { std: "docker" "start" "-a" "44829f36ea0b69a4f3f5dd276796b5927b7dd8ef5fcc35c3a2fd07188f35b34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44829f36ea0b69a4f3f5dd276796b5927b7dd8ef5fcc35c3a2fd07188f35b34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44829f36ea0b69a4f3f5dd276796b5927b7dd8ef5fcc35c3a2fd07188f35b34c", kill_on_drop: false }`
[INFO] [stdout] 44829f36ea0b69a4f3f5dd276796b5927b7dd8ef5fcc35c3a2fd07188f35b34c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc16a50f61b9bddaf038bfadb72b3f5942c37b7c178fbf45fdffa460febcc962
[INFO] running `Command { std: "docker" "start" "-a" "bc16a50f61b9bddaf038bfadb72b3f5942c37b7c178fbf45fdffa460febcc962", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/eq.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stdout]   |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[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/eq.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stdout]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/ord.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stdout]   |                           ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/ord.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stdout]   |                               ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ord.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stdout]    |                   ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ord.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stdout]    |                       ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "bc16a50f61b9bddaf038bfadb72b3f5942c37b7c178fbf45fdffa460febcc962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc16a50f61b9bddaf038bfadb72b3f5942c37b7c178fbf45fdffa460febcc962", kill_on_drop: false }`
[INFO] [stdout] bc16a50f61b9bddaf038bfadb72b3f5942c37b7c178fbf45fdffa460febcc962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d549f2c808284c663b68b3b13125c062634728679962454dc01ace2c1d202a
[INFO] running `Command { std: "docker" "start" "-a" "c2d549f2c808284c663b68b3b13125c062634728679962454dc01ace2c1d202a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/eq.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stdout]   |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[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/eq.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stdout]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/ord.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stdout]   |                           ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/ord.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stdout]   |                               ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ord.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stdout]    |                   ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ord.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stdout]    |                       ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/eq.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stdout]   |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[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/eq.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stdout]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/ord.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stdout]   |                           ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/ord.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stdout]   |                               ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ord.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stdout]    |                   ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/ord.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stdout]    |                       ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "c2d549f2c808284c663b68b3b13125c062634728679962454dc01ace2c1d202a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d549f2c808284c663b68b3b13125c062634728679962454dc01ace2c1d202a", kill_on_drop: false }`
[INFO] [stdout] c2d549f2c808284c663b68b3b13125c062634728679962454dc01ace2c1d202a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c8cf3075e55409d8e36f957b0ef7e5ec282da0dcd466e81cb4e039ac967b09b
[INFO] running `Command { std: "docker" "start" "-a" "6c8cf3075e55409d8e36f957b0ef7e5ec282da0dcd466e81cb4e039ac967b09b", 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/eq.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stderr]   |                     ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[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/eq.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn equal(&self, &A, &A) -> bool;
[INFO] [stderr]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]  --> src/ord.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stderr]   |                           ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]  --> src/ord.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn partial_cmp(&self, &A, &A) -> Option<Ordering>;
[INFO] [stderr]   |                               ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/ord.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stderr]    |                   ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/ord.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cmp(&self, &A, &A) -> Ordering;
[INFO] [stderr]    |                       ^^ help: try naming the parameter or explicitly ignoring it: `_: &A`
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `rel` (lib) generated 6 warnings (run `cargo fix --lib -p rel` to apply 6 suggestions)
[INFO] [stderr] warning: `rel` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rel-c28e00fea7d35225)
[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 rel
[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" "6c8cf3075e55409d8e36f957b0ef7e5ec282da0dcd466e81cb4e039ac967b09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8cf3075e55409d8e36f957b0ef7e5ec282da0dcd466e81cb4e039ac967b09b", kill_on_drop: false }`
[INFO] [stdout] 6c8cf3075e55409d8e36f957b0ef7e5ec282da0dcd466e81cb4e039ac967b09b
