[INFO] fetching crate rand-distributions 0.1.2...
[INFO] checking rand-distributions-0.1.2 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate rand-distributions 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rand-distributions 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c29d18cd9006587299f8f0dd1b36f4a6bc0dd0c32a50c4ab3c6f28ee7d992c04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c29d18cd9006587299f8f0dd1b36f4a6bc0dd0c32a50c4ab3c6f28ee7d992c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c29d18cd9006587299f8f0dd1b36f4a6bc0dd0c32a50c4ab3c6f28ee7d992c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29d18cd9006587299f8f0dd1b36f4a6bc0dd0c32a50c4ab3c6f28ee7d992c04", kill_on_drop: false }`
[INFO] [stdout] c29d18cd9006587299f8f0dd1b36f4a6bc0dd0c32a50c4ab3c6f28ee7d992c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 993cbef192555b59f69814bc921a04521ac8d04ddf35a6786ec2ed4c42159efe
[INFO] running `Command { std: "docker" "start" "-a" "993cbef192555b59f69814bc921a04521ac8d04ddf35a6786ec2ed4c42159efe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[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
[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: 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] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/core.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Distribution {
[INFO] [stdout]    |           ------------ required by a bound in this
[INFO] [stdout] 9  |     type Output;
[INFO] [stdout]    |     ------------ required by this bound in `core::Distribution`
[INFO] [stdout] ...
[INFO] [stdout] 46 |     type Distribution: Distribution<Output=Self>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stdout]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait DefaultDistribution: std::marker::Sized {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/core.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Distribution {
[INFO] [stdout]    |           ------------ required by a bound in this
[INFO] [stdout] 9  |     type Output;
[INFO] [stdout]    |     ------------ required by this bound in `core::Distribution`
[INFO] [stdout] ...
[INFO] [stdout] 46 |     type Distribution: Distribution<Output=Self>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stdout]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn default_distribution() -> <Self as DefaultDistribution>::Distribution where Self: std::marker::Sized;
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand-distributions`.
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/core.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Distribution {
[INFO] [stdout]    |           ------------ required by a bound in this
[INFO] [stdout] 9  |     type Output;
[INFO] [stdout]    |     ------------ required by this bound in `core::Distribution`
[INFO] [stdout] ...
[INFO] [stdout] 46 |     type Distribution: Distribution<Output=Self>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stdout]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait DefaultDistribution: std::marker::Sized {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> src/core.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Distribution {
[INFO] [stdout]    |           ------------ required by a bound in this
[INFO] [stdout] 9  |     type Output;
[INFO] [stdout]    |     ------------ required by this bound in `core::Distribution`
[INFO] [stdout] ...
[INFO] [stdout] 46 |     type Distribution: Distribution<Output=Self>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stdout]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn default_distribution() -> <Self as DefaultDistribution>::Distribution where Self: std::marker::Sized;
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "993cbef192555b59f69814bc921a04521ac8d04ddf35a6786ec2ed4c42159efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993cbef192555b59f69814bc921a04521ac8d04ddf35a6786ec2ed4c42159efe", kill_on_drop: false }`
[INFO] [stdout] 993cbef192555b59f69814bc921a04521ac8d04ddf35a6786ec2ed4c42159efe
