[INFO] fetching crate rb 0.3.2...
[INFO] testing rb-0.3.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rb 0.3.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rb 0.3.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rb 0.3.2
[INFO] finished tweaking crates.io crate rb 0.3.2
[INFO] tweaked toml for crates.io crate rb 0.3.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92a226cb19b55628cff4296fdf3a6a69faed54b666614eb198b43d478b8d5a56
[INFO] running `Command { std: "docker" "start" "-a" "92a226cb19b55628cff4296fdf3a6a69faed54b666614eb198b43d478b8d5a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92a226cb19b55628cff4296fdf3a6a69faed54b666614eb198b43d478b8d5a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a226cb19b55628cff4296fdf3a6a69faed54b666614eb198b43d478b8d5a56", kill_on_drop: false }`
[INFO] [stdout] 92a226cb19b55628cff4296fdf3a6a69faed54b666614eb198b43d478b8d5a56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d837975347be5680d337c480e04793358196e49aeb89f45fd2823cb65bcf9b8e
[INFO] running `Command { std: "docker" "start" "-a" "d837975347be5680d337c480e04793358196e49aeb89f45fd2823cb65bcf9b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn write(&self, &[T]) -> Result<usize>;
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn write_blocking(&self, &[T]) -> Option<usize>;
[INFO] [stdout]    |                              ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&self, &mut [T]) -> Result<usize>;
[INFO] [stdout]    |                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read(&self, &mut [T]) -> Result<usize>;
[INFO] [stdout]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn read_blocking(&self, &mut [T]) -> Option<usize>;
[INFO] [stdout]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "d837975347be5680d337c480e04793358196e49aeb89f45fd2823cb65bcf9b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d837975347be5680d337c480e04793358196e49aeb89f45fd2823cb65bcf9b8e", kill_on_drop: false }`
[INFO] [stdout] d837975347be5680d337c480e04793358196e49aeb89f45fd2823cb65bcf9b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 156391c8c313cc73ef0b02ad0e977fc0c65f9634cba3873dfc1635363296879d
[INFO] running `Command { std: "docker" "start" "-a" "156391c8c313cc73ef0b02ad0e977fc0c65f9634cba3873dfc1635363296879d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn write(&self, &[T]) -> Result<usize>;
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn write_blocking(&self, &[T]) -> Option<usize>;
[INFO] [stdout]    |                              ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&self, &mut [T]) -> Result<usize>;
[INFO] [stdout]    |                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read(&self, &mut [T]) -> Result<usize>;
[INFO] [stdout]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn read_blocking(&self, &mut [T]) -> Option<usize>;
[INFO] [stdout]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn write(&self, &[T]) -> Result<usize>;
[INFO] [stdout]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn write_blocking(&self, &[T]) -> Option<usize>;
[INFO] [stdout]    |                              ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&self, &mut [T]) -> Result<usize>;
[INFO] [stdout]    |                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn read(&self, &mut [T]) -> Result<usize>;
[INFO] [stdout]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn read_blocking(&self, &mut [T]) -> Option<usize>;
[INFO] [stdout]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "156391c8c313cc73ef0b02ad0e977fc0c65f9634cba3873dfc1635363296879d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156391c8c313cc73ef0b02ad0e977fc0c65f9634cba3873dfc1635363296879d", kill_on_drop: false }`
[INFO] [stdout] 156391c8c313cc73ef0b02ad0e977fc0c65f9634cba3873dfc1635363296879d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc1f0a7d4a9dc49dd33b8335810dc2f8a34a9ad3b81c46437be4dfeda3a0bf08
[INFO] running `Command { std: "docker" "start" "-a" "fc1f0a7d4a9dc49dd33b8335810dc2f8a34a9ad3b81c46437be4dfeda3a0bf08", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn write(&self, &[T]) -> Result<usize>;
[INFO] [stderr]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn write_blocking(&self, &[T]) -> Option<usize>;
[INFO] [stderr]    |                              ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn get(&self, &mut [T]) -> Result<usize>;
[INFO] [stderr]    |                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn read(&self, &mut [T]) -> Result<usize>;
[INFO] [stderr]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn read_blocking(&self, &mut [T]) -> Option<usize>;
[INFO] [stderr]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/lib.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn write(&self, &[T]) -> Result<usize>;
[INFO] [stderr]    |                     ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn write_blocking(&self, &[T]) -> Option<usize>;
[INFO] [stderr]    |                              ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn get(&self, &mut [T]) -> Result<usize>;
[INFO] [stderr]    |                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn read(&self, &mut [T]) -> Result<usize>;
[INFO] [stderr]    |                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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/lib.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn read_blocking(&self, &mut [T]) -> Option<usize>;
[INFO] [stderr]    |                             ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut [T]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rb-ce875c389f8aa29a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::get_from_empty_buffer_returns_error ... ok
[INFO] [stdout] test tests::get_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::get_with_wrapping_2 ... ok
[INFO] [stdout] test tests::read_blocking_to_empty_buffer_returns_none ... ok
[INFO] [stdout] test tests::read_from_empty_buffer_returns_error ... ok
[INFO] [stdout] test tests::get_with_wrapping ... ok
[INFO] [stdout] test tests::read_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_blocking_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_to_full_queue_returns_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-92e0497a13a6b3f1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] test test_read_write_wrap_blocking ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] test test_read_write_wrap ... ok
[INFO] [stdout] test test_wrap_around ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-4d57c88097d3ce98)
[INFO] [stdout] test test_skip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_threads_blocking ... ok
[INFO] [stdout] test test_threads ... ok
[INFO] [stderr]    Doc-tests rb
[INFO] [stdout] test test_threads_count_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.59s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SpscRb (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc1f0a7d4a9dc49dd33b8335810dc2f8a34a9ad3b81c46437be4dfeda3a0bf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1f0a7d4a9dc49dd33b8335810dc2f8a34a9ad3b81c46437be4dfeda3a0bf08", kill_on_drop: false }`
[INFO] [stdout] fc1f0a7d4a9dc49dd33b8335810dc2f8a34a9ad3b81c46437be4dfeda3a0bf08
