[INFO] fetching crate rand-distributions 0.1.2...
[INFO] testing rand-distributions-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rand-distributions 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rand-distributions 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand-distributions 0.1.2
[INFO] finished tweaking crates.io crate rand-distributions 0.1.2
[INFO] tweaked toml for crates.io crate rand-distributions 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65fdae5776530b317455e7fc709372620e860f41fc46fdc81ba63ab874746c7
[INFO] running `Command { std: "docker" "start" "-a" "c65fdae5776530b317455e7fc709372620e860f41fc46fdc81ba63ab874746c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65fdae5776530b317455e7fc709372620e860f41fc46fdc81ba63ab874746c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65fdae5776530b317455e7fc709372620e860f41fc46fdc81ba63ab874746c7", kill_on_drop: false }`
[INFO] [stdout] c65fdae5776530b317455e7fc709372620e860f41fc46fdc81ba63ab874746c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f649a5990f208bb569c0b4a8acf91740bc80a9115734fce14f0dc5f6fdd9910e
[INFO] running `Command { std: "docker" "start" "-a" "f649a5990f208bb569c0b4a8acf91740bc80a9115734fce14f0dc5f6fdd9910e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand-distributions v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/random.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / macro_rules! random_simple_to_default_distribution {
[INFO] [stdout] 45 | |     ($ty:ty) => {
[INFO] [stdout] 46 | |         impl DefaultDistribution for $ty {
[INFO] [stdout] 47 | |             type Distribution = RandomSimpleDistribution<$ty>;
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `DowncastPrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl <T: DowncastPrimitiveInteger> Distribution for Uniform<T>
[INFO] [stdout] 37 | | {
[INFO] [stdout] 38 | |     type Output = T;
[INFO] [stdout] 39 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / impl <T: PrimitiveInteger> UniformPrimitiveIntegerRange<T>
[INFO] [stdout] 25 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>
[INFO] [stdout] 26 | | {
[INFO] [stdout] 27 | |     #[inline]
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     }
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl <T: PrimitiveInteger> IntoDistribution<T> for Range<T>
[INFO] [stdout] 44 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>,
[INFO] [stdout] 45 | |             UniformPrimitiveIntegerRange<T>: Distribution<Output=T>
[INFO] [stdout] 46 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / impl <T: PrimitiveInteger> Distribution for UniformPrimitiveIntegerRange<T>
[INFO] [stdout] 56 | |     where   Wrapping<T::Unsigned>: Add<Output=Wrapping<T::Unsigned>>,
[INFO] [stdout] 57 | |             Uniform<T>: Distribution<Output=T>
[INFO] [stdout] 58 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     }
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[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/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn test(&self, Args) -> bool {
[INFO] [stdout]   |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Args`
[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: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 |         ::std::mem::size_of::<(A)>() == 8
[INFO] [stdout]    |                               ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "f649a5990f208bb569c0b4a8acf91740bc80a9115734fce14f0dc5f6fdd9910e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f649a5990f208bb569c0b4a8acf91740bc80a9115734fce14f0dc5f6fdd9910e", kill_on_drop: false }`
[INFO] [stdout] f649a5990f208bb569c0b4a8acf91740bc80a9115734fce14f0dc5f6fdd9910e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3145e826f86fa5d93f03e70e8f3f5ce528efa0418a376a5d4f4217666fadfcb
[INFO] running `Command { std: "docker" "start" "-a" "a3145e826f86fa5d93f03e70e8f3f5ce528efa0418a376a5d4f4217666fadfcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/random.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / macro_rules! random_simple_to_default_distribution {
[INFO] [stdout] 45 | |     ($ty:ty) => {
[INFO] [stdout] 46 | |         impl DefaultDistribution for $ty {
[INFO] [stdout] 47 | |             type Distribution = RandomSimpleDistribution<$ty>;
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `DowncastPrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl <T: DowncastPrimitiveInteger> Distribution for Uniform<T>
[INFO] [stdout] 37 | | {
[INFO] [stdout] 38 | |     type Output = T;
[INFO] [stdout] 39 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / impl <T: PrimitiveInteger> UniformPrimitiveIntegerRange<T>
[INFO] [stdout] 25 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>
[INFO] [stdout] 26 | | {
[INFO] [stdout] 27 | |     #[inline]
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     }
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl <T: PrimitiveInteger> IntoDistribution<T> for Range<T>
[INFO] [stdout] 44 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>,
[INFO] [stdout] 45 | |             UniformPrimitiveIntegerRange<T>: Distribution<Output=T>
[INFO] [stdout] 46 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / impl <T: PrimitiveInteger> Distribution for UniformPrimitiveIntegerRange<T>
[INFO] [stdout] 56 | |     where   Wrapping<T::Unsigned>: Add<Output=Wrapping<T::Unsigned>>,
[INFO] [stdout] 57 | |             Uniform<T>: Distribution<Output=T>
[INFO] [stdout] 58 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     }
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand-distributions v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/random.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use rand::{self, thread_rng, Rng};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]    --> src/impls.rs:165:27
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use rand::{self, Rng, thread_rng};
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/rng_ext.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use rand::{self, thread_rng, Rng};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]    --> src/uniform.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use rand::{self, thread_rng, Rng};
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]    --> src/uniform_range.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use rand::{self, thread_rng, Rng};
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn test(&self, Args) -> bool {
[INFO] [stdout]   |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Args`
[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: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 |         ::std::mem::size_of::<(A)>() == 8
[INFO] [stdout]    |                               ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `DowncastPrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl <T: DowncastPrimitiveInteger> Distribution for Uniform<T>
[INFO] [stdout] 37 | | {
[INFO] [stdout] 38 | |     type Output = T;
[INFO] [stdout] 39 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` 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 a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / impl <T: PrimitiveInteger> UniformPrimitiveIntegerRange<T>
[INFO] [stdout] 25 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>
[INFO] [stdout] 26 | | {
[INFO] [stdout] 27 | |     #[inline]
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     }
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / impl <T: PrimitiveInteger> IntoDistribution<T> for Range<T>
[INFO] [stdout] 44 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>,
[INFO] [stdout] 45 | |             UniformPrimitiveIntegerRange<T>: Distribution<Output=T>
[INFO] [stdout] 46 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     }
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stdout]   --> src/uniform_range.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / impl <T: PrimitiveInteger> Distribution for UniformPrimitiveIntegerRange<T>
[INFO] [stdout] 56 | |     where   Wrapping<T::Unsigned>: Add<Output=Wrapping<T::Unsigned>>,
[INFO] [stdout] 57 | |             Uniform<T>: Distribution<Output=T>
[INFO] [stdout] 58 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     }
[INFO] [stdout] 74 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a3145e826f86fa5d93f03e70e8f3f5ce528efa0418a376a5d4f4217666fadfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3145e826f86fa5d93f03e70e8f3f5ce528efa0418a376a5d4f4217666fadfcb", kill_on_drop: false }`
[INFO] [stdout] a3145e826f86fa5d93f03e70e8f3f5ce528efa0418a376a5d4f4217666fadfcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db10cbb7eda73a045e7d38308fdb776579da38e64ce31a072f2304f89cae96a0
[INFO] running `Command { std: "docker" "start" "-a" "db10cbb7eda73a045e7d38308fdb776579da38e64ce31a072f2304f89cae96a0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stdout] running 17 tests
[INFO] [stderr]   --> src/random.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / macro_rules! random_simple_to_default_distribution {
[INFO] [stderr] 45 | |     ($ty:ty) => {
[INFO] [stderr] 46 | |         impl DefaultDistribution for $ty {
[INFO] [stderr] 47 | |             type Distribution = RandomSimpleDistribution<$ty>;
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `DowncastPrimitiveInteger` in public interface (error E0445)
[INFO] [stderr]   --> src/uniform.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / impl <T: DowncastPrimitiveInteger> Distribution for Uniform<T>
[INFO] [stderr] 37 | | {
[INFO] [stderr] 38 | |     type Output = T;
[INFO] [stderr] 39 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` 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 a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stderr]   --> src/uniform_range.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / impl <T: PrimitiveInteger> UniformPrimitiveIntegerRange<T>
[INFO] [stderr] 25 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>
[INFO] [stderr] 26 | | {
[INFO] [stderr] 27 | |     #[inline]
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stderr]   --> src/uniform_range.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | / impl <T: PrimitiveInteger> IntoDistribution<T> for Range<T>
[INFO] [stderr] 44 | |     where   Wrapping<T::Unsigned>: Sub<Output=Wrapping<T::Unsigned>>,
[INFO] [stderr] 45 | |             UniformPrimitiveIntegerRange<T>: Distribution<Output=T>
[INFO] [stderr] 46 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     }
[INFO] [stderr] 53 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private trait `PrimitiveInteger` in public interface (error E0445)
[INFO] [stderr]   --> src/uniform_range.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | / impl <T: PrimitiveInteger> Distribution for UniformPrimitiveIntegerRange<T>
[INFO] [stderr] 56 | |     where   Wrapping<T::Unsigned>: Add<Output=Wrapping<T::Unsigned>>,
[INFO] [stderr] 57 | |             Uniform<T>: Distribution<Output=T>
[INFO] [stderr] 58 | | {
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |     }
[INFO] [stderr] 74 | | }
[INFO] [stderr]    | |_^
[INFO] [stdout] test core::tests::test_distribution_into_distribution ... ok
[INFO] [stderr]    |
[INFO] [stdout] test impls::tests::test_alphanum ... ok
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] test impls::tests::test_into_distribution ... ok
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] test random::tests::test_generate_u8 ... ok
[INFO] [stderr] 
[INFO] [stdout] test impls::tests::test_generate_u8 ... ok
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stdout] test impls::tests::test_random_element_on_empty_vec ... ok
[INFO] [stderr]   --> src/random.rs:60:22
[INFO] [stdout] test tests::test_u8_default_distribution ... ok
[INFO] [stderr]    |
[INFO] [stdout] test rng_ext::tests::test_generate_from_distribution ... ok
[INFO] [stderr] 60 |     use rand::{self, thread_rng, Rng};
[INFO] [stdout] test impls::tests::test_vec_into_distribution ... ok
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stdout] test rng_ext::tests::test_generate_u8 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test impls::tests::test_weighted_bool_trivial ... ok
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]    --> src/impls.rs:165:27
[INFO] [stderr]     |
[INFO] [stderr] 165 |     use rand::{self, Rng, thread_rng};
[INFO] [stderr]     |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]   --> src/rng_ext.rs:47:22
[INFO] [stderr]    |
[INFO] [stderr] 47 |     use rand::{self, thread_rng, Rng};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]    --> src/uniform.rs:107:22
[INFO] [stderr]     |
[INFO] [stderr] 107 |     use rand::{self, thread_rng, Rng};
[INFO] [stderr]     |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]    --> src/uniform_range.rs:117:22
[INFO] [stderr]     |
[INFO] [stderr] 117 |     use rand::{self, thread_rng, Rng};
[INFO] [stderr]     |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rand-distributions` (lib) generated 5 warnings
[INFO] [stderr] warning: `rand-distributions` (lib test) generated 9 warnings (4 duplicates)
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn test(&self, Args) -> bool {
[INFO] [stderr]   |                    ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Args`
[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: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 |         ::std::mem::size_of::<(A)>() == 8
[INFO] [stderr]    |                               ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rand-distributions` (bin "rand-distributions" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_distributions-d5fc9048a21c7c3a)
[INFO] [stdout] test uniform::tests::test_generate_u8_with_type_annotation ... ok
[INFO] [stdout] test uniform::tests::test_generate_u8 ... ok
[INFO] [stdout] test uniform_range::tests::test_range_into_distribution ... ok
[INFO] [stdout] test uniform::tests::test_range_full_into_distribution ... ok
[INFO] [stdout] test uniform_range::tests::test_range_bad_limits_equal - should panic ... ok
[INFO] [stdout] test uniform_range::tests::test_range_bad_limits_flipped - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand_distributions-88a89c4e28b43b6a)
[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 rand-distributions
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/impls.rs - impls::Constant (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db10cbb7eda73a045e7d38308fdb776579da38e64ce31a072f2304f89cae96a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db10cbb7eda73a045e7d38308fdb776579da38e64ce31a072f2304f89cae96a0", kill_on_drop: false }`
[INFO] [stdout] db10cbb7eda73a045e7d38308fdb776579da38e64ce31a072f2304f89cae96a0
