[INFO] fetching crate rel 0.2.0...
[INFO] testing rel-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate rel 0.2.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate rel 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca1cb8457ec0a64c04d9495347d7b47adcf6847a81c3ede5aaf408b1e03146e0
[INFO] running `Command { std: "docker" "start" "-a" "ca1cb8457ec0a64c04d9495347d7b47adcf6847a81c3ede5aaf408b1e03146e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1cb8457ec0a64c04d9495347d7b47adcf6847a81c3ede5aaf408b1e03146e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1cb8457ec0a64c04d9495347d7b47adcf6847a81c3ede5aaf408b1e03146e0", kill_on_drop: false }`
[INFO] [stdout] ca1cb8457ec0a64c04d9495347d7b47adcf6847a81c3ede5aaf408b1e03146e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7e872cd7f3449472a3e37eb948a597c4d18f643e172a2a243c5401bde77684
[INFO] running `Command { std: "docker" "start" "-a" "5c7e872cd7f3449472a3e37eb948a597c4d18f643e172a2a243c5401bde77684", kill_on_drop: false }`
[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]   = note: `#[warn(anonymous_parameters)]` on by default
[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 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5c7e872cd7f3449472a3e37eb948a597c4d18f643e172a2a243c5401bde77684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7e872cd7f3449472a3e37eb948a597c4d18f643e172a2a243c5401bde77684", kill_on_drop: false }`
[INFO] [stdout] 5c7e872cd7f3449472a3e37eb948a597c4d18f643e172a2a243c5401bde77684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1ca037ece5e4a3a56432ab47e0d86c1d775b5cb99c6ab394a51037f87e84f6f
[INFO] running `Command { std: "docker" "start" "-a" "c1ca037ece5e4a3a56432ab47e0d86c1d775b5cb99c6ab394a51037f87e84f6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]   = note: `#[warn(anonymous_parameters)]` on by default
[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 <https://github.com/rust-lang/rust/issues/41686>
[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/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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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]   = note: `#[warn(anonymous_parameters)]` on by default
[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 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "c1ca037ece5e4a3a56432ab47e0d86c1d775b5cb99c6ab394a51037f87e84f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ca037ece5e4a3a56432ab47e0d86c1d775b5cb99c6ab394a51037f87e84f6f", kill_on_drop: false }`
[INFO] [stdout] c1ca037ece5e4a3a56432ab47e0d86c1d775b5cb99c6ab394a51037f87e84f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36dc8407dbc16ebbe398744900630e4193f47a3b530705a42603247ddb74147a
[INFO] running `Command { std: "docker" "start" "-a" "36dc8407dbc16ebbe398744900630e4193f47a3b530705a42603247ddb74147a", kill_on_drop: false }`
[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]   = note: `#[warn(anonymous_parameters)]` on by default
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: `rel` (lib) generated 6 warnings
[INFO] [stderr] warning: `rel` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rel-821b736476593831)
[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" "36dc8407dbc16ebbe398744900630e4193f47a3b530705a42603247ddb74147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36dc8407dbc16ebbe398744900630e4193f47a3b530705a42603247ddb74147a", kill_on_drop: false }`
[INFO] [stdout] 36dc8407dbc16ebbe398744900630e4193f47a3b530705a42603247ddb74147a