[INFO] fetching crate rand-distributions 0.1.2...
[INFO] checking rand-distributions-0.1.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate rand-distributions 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rand-distributions 0.1.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afdf685b65827ddb76ab6a88350b5f17ba412571a9a19d6f3185b9c1602d03b5
[INFO] running `Command { std: "docker" "start" "-a" "afdf685b65827ddb76ab6a88350b5f17ba412571a9a19d6f3185b9c1602d03b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afdf685b65827ddb76ab6a88350b5f17ba412571a9a19d6f3185b9c1602d03b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdf685b65827ddb76ab6a88350b5f17ba412571a9a19d6f3185b9c1602d03b5", kill_on_drop: false }`
[INFO] [stdout] afdf685b65827ddb76ab6a88350b5f17ba412571a9a19d6f3185b9c1602d03b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25600016ccc95a232ee1134908586a00b1cf87088f127a112aec2451201283f4
[INFO] running `Command { std: "docker" "start" "-a" "25600016ccc95a232ee1134908586a00b1cf87088f127a112aec2451201283f4", kill_on_drop: false }`
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand-distributions v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `random_simple_to_default_distribution`
[INFO] [stdout]   --> src/random.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 | macro_rules! random_simple_to_default_distribution {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[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: associated type `PrimitiveInteger::Unsigned` is more private than the item `UniformPrimitiveIntegerRange<T>`
[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]    | |____________________________________________________________________^ implementation `UniformPrimitiveIntegerRange<T>` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but associated type `PrimitiveInteger::Unsigned` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/uniform_range.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type Unsigned : PrimitiveInteger;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PrimitiveInteger` is more private than the item `UniformPrimitiveIntegerRange<T>`
[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]    | |____________________________________________________________________^ implementation `UniformPrimitiveIntegerRange<T>` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `PrimitiveInteger` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/uniform_range.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | trait PrimitiveInteger: PrimInt {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `PrimitiveInteger::Unsigned` is more private than the item `uniform_range::UniformPrimitiveIntegerRange<T>`
[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]    | |____________________________________________________________________^ implementation `uniform_range::UniformPrimitiveIntegerRange<T>` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but associated type `PrimitiveInteger::Unsigned` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/uniform_range.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type Unsigned : PrimitiveInteger;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PrimitiveInteger` is more private than the item `uniform_range::UniformPrimitiveIntegerRange<T>`
[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]    | |____________________________________________________________________^ implementation `uniform_range::UniformPrimitiveIntegerRange<T>` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `PrimitiveInteger` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/uniform_range.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | trait PrimitiveInteger: PrimInt {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/random.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     struct MyType(u8);
[INFO] [stdout]    |            ------ ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 |     struct MyType(());
[INFO] [stdout]    |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 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]   = 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]   = note: `#[warn(anonymous_parameters)]` on by default
[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]    |                               ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         ::std::mem::size_of::<(A)>() == 8
[INFO] [stdout] 16 +         ::std::mem::size_of::<A>() == 8
[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]   = 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]   = note: `#[warn(anonymous_parameters)]` on by default
[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]    |                               ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         ::std::mem::size_of::<(A)>() == 8
[INFO] [stdout] 16 +         ::std::mem::size_of::<A>() == 8
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "25600016ccc95a232ee1134908586a00b1cf87088f127a112aec2451201283f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25600016ccc95a232ee1134908586a00b1cf87088f127a112aec2451201283f4", kill_on_drop: false }`
[INFO] [stdout] 25600016ccc95a232ee1134908586a00b1cf87088f127a112aec2451201283f4
