[INFO] crate cosworth 0.1.2 is already in cache
[INFO] extracting crate cosworth 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/cosworth/0.1.2
[INFO] extracting crate cosworth 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cosworth/0.1.2
[INFO] validating manifest of cosworth-0.1.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cosworth-0.1.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cosworth-0.1.2
[INFO] finished frobbing cosworth-0.1.2
[INFO] frobbed toml for cosworth-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/cosworth/0.1.2/Cargo.toml
[INFO] started frobbing cosworth-0.1.2
[INFO] finished frobbing cosworth-0.1.2
[INFO] frobbed toml for cosworth-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cosworth/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting cosworth-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cosworth/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d2f4c4dd4e836bcd6182252c34bba10f471813b09696c4e0345777b5c537a91
[INFO] running `"docker" "start" "-a" "6d2f4c4dd4e836bcd6182252c34bba10f471813b09696c4e0345777b5c537a91"`
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking bigdecimal v0.0.14
[INFO] [stderr]     Checking tokio-openssl v0.2.1
[INFO] [stderr]     Checking ipnetwork v0.13.1
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking v_escape v0.3.2
[INFO] [stderr]     Checking v_htmlescape v0.3.2
[INFO] [stderr]     Checking diesel v1.4.1
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking cosworth v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/endpoints/mod.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 |       headers: headers,
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: replace it with: `headers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/endpoints/mod.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 |       headers: headers,
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^ help: replace it with: `headers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     return Ok(Response {
[INFO] [stderr] 53 | |       status: 200,
[INFO] [stderr] 54 | |       headers: headers,
[INFO] [stderr] 55 | |       ..Default::default()
[INFO] [stderr] 56 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Ok(Response {
[INFO] [stderr] 53 |       status: 200,
[INFO] [stderr] 54 |       headers: headers,
[INFO] [stderr] 55 |       ..Default::default()
[INFO] [stderr] 56 |     })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/processor.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return msg.endpoint.handle(&self, msg.request);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `msg.endpoint.handle(&self, msg.request)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/response.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     return Ok(req
[INFO] [stderr] 32 | |         .build_response(status)
[INFO] [stderr] 33 | |         .content_type("application/json")
[INFO] [stderr] 34 | |         .body(body));
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Ok(req
[INFO] [stderr] 32 |         .build_response(status)
[INFO] [stderr] 33 |         .content_type("application/json")
[INFO] [stderr] 34 |         .body(body))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/utilities.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | /       return Response {
[INFO] [stderr] 34 | |         status: 404,
[INFO] [stderr] 35 | |         headers: HeaderMap::new(),
[INFO] [stderr] 36 | |         body: Bytes::new()
[INFO] [stderr] 37 | |       };
[INFO] [stderr]    | |________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 33 |       Response {
[INFO] [stderr] 34 |         status: 404,
[INFO] [stderr] 35 |         headers: HeaderMap::new(),
[INFO] [stderr] 36 |         body: Bytes::new()
[INFO] [stderr] 37 |       }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/utilities.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 | /   return since_the_epoch.as_secs() * 1000 +
[INFO] [stderr] 49 | |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22;
[INFO] [stderr]    | |_________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 48 |   since_the_epoch.as_secs() * 1000 +
[INFO] [stderr] 49 |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/utilities.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |     return since_the_epoch.as_secs() * 1000 +
[INFO] [stderr]    |  __________^
[INFO] [stderr] 49 | |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22;
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] help: consider parenthesizing your expression
[INFO] [stderr]    |
[INFO] [stderr] 48 |   return (since_the_epoch.as_secs() * 1000 +
[INFO] [stderr] 49 |          since_the_epoch.subsec_nanos() as u64 / 1_000_000) << 22;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/lib.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const VERSION: &'static str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return Ok(Response { status: 405, ..Default::default() });
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Response { status: 405, ..Default::default() })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/endpoints/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | /     return Ok(Response {
[INFO] [stderr] 53 | |       status: 200,
[INFO] [stderr] 54 | |       headers: headers,
[INFO] [stderr] 55 | |       ..Default::default()
[INFO] [stderr] 56 | |     });
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Ok(Response {
[INFO] [stderr] 53 |       status: 200,
[INFO] [stderr] 54 |       headers: headers,
[INFO] [stderr] 55 |       ..Default::default()
[INFO] [stderr] 56 |     })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/processor.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return msg.endpoint.handle(&self, msg.request);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `msg.endpoint.handle(&self, msg.request)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/response.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     return Ok(req
[INFO] [stderr] 32 | |         .build_response(status)
[INFO] [stderr] 33 | |         .content_type("application/json")
[INFO] [stderr] 34 | |         .body(body));
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Ok(req
[INFO] [stderr] 32 |         .build_response(status)
[INFO] [stderr] 33 |         .content_type("application/json")
[INFO] [stderr] 34 |         .body(body))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/utilities.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | /       return Response {
[INFO] [stderr] 34 | |         status: 404,
[INFO] [stderr] 35 | |         headers: HeaderMap::new(),
[INFO] [stderr] 36 | |         body: Bytes::new()
[INFO] [stderr] 37 | |       };
[INFO] [stderr]    | |________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 33 |       Response {
[INFO] [stderr] 34 |         status: 404,
[INFO] [stderr] 35 |         headers: HeaderMap::new(),
[INFO] [stderr] 36 |         body: Bytes::new()
[INFO] [stderr] 37 |       }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/utilities.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 | /   return since_the_epoch.as_secs() * 1000 +
[INFO] [stderr] 49 | |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22;
[INFO] [stderr]    | |_________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 48 |   since_the_epoch.as_secs() * 1000 +
[INFO] [stderr] 49 |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]   --> src/utilities.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |     return since_the_epoch.as_secs() * 1000 +
[INFO] [stderr]    |  __________^
[INFO] [stderr] 49 | |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22;
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] help: consider parenthesizing your expression
[INFO] [stderr]    |
[INFO] [stderr] 48 |   return (since_the_epoch.as_secs() * 1000 +
[INFO] [stderr] 49 |          since_the_epoch.subsec_nanos() as u64 / 1_000_000) << 22;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/lib.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const VERSION: &'static str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/utilities.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(since_the_epoch.subsec_nanos())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/utilities.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |          since_the_epoch.subsec_nanos() as u64 / 1_000_000 << 22;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(since_the_epoch.subsec_nanos())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "6d2f4c4dd4e836bcd6182252c34bba10f471813b09696c4e0345777b5c537a91"`
[INFO] running `"docker" "rm" "-f" "6d2f4c4dd4e836bcd6182252c34bba10f471813b09696c4e0345777b5c537a91"`
[INFO] [stdout] 6d2f4c4dd4e836bcd6182252c34bba10f471813b09696c4e0345777b5c537a91