Sep 03 23:12:42.730 INFO checking varuint-0.3.4 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 23:12:42.730 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 23:12:42.731 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:12:42.958 INFO blam! f8036fa7f88b5530bcd04f9565c7fe2cb735b17cf45c572169ca22e0c8c2921c
Sep 03 23:12:42.960 INFO running `"docker" "start" "-a" "f8036fa7f88b5530bcd04f9565c7fe2cb735b17cf45c572169ca22e0c8c2921c"`
Sep 03 23:12:43.649 INFO kablam!     Checking varuint v0.3.4 (file:///source)
Sep 03 23:12:44.205 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:12:44.205 INFO kablam!    --> src/varuint.rs:114:29
Sep 03 23:12:44.205 INFO kablam!     |
Sep 03 23:12:44.205 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 03 23:12:44.205 INFO kablam!     |                             ----^^^
Sep 03 23:12:44.205 INFO kablam!     |                             |
Sep 03 23:12:44.205 INFO kablam!     |                             help: remove this `mut`
Sep 03 23:12:44.205 INFO kablam!     |
Sep 03 23:12:44.205 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 23:12:44.205 INFO kablam! 
Sep 03 23:12:44.210 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:12:44.210 INFO kablam!    --> src/varuint.rs:187:20
Sep 03 23:12:44.211 INFO kablam!     |
Sep 03 23:12:44.211 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 03 23:12:44.211 INFO kablam!     |                    ----^
Sep 03 23:12:44.211 INFO kablam!     |                    |
Sep 03 23:12:44.211 INFO kablam!     |                    help: remove this `mut`
Sep 03 23:12:44.211 INFO kablam! 
Sep 03 23:12:44.225 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:12:44.225 INFO kablam!    --> src/varuint.rs:372:20
Sep 03 23:12:44.225 INFO kablam!     |
Sep 03 23:12:44.225 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 03 23:12:44.225 INFO kablam!     |                    ----^
Sep 03 23:12:44.225 INFO kablam!     |                    |
Sep 03 23:12:44.225 INFO kablam!     |                    help: remove this `mut`
Sep 03 23:12:44.225 INFO kablam! 
Sep 03 23:12:44.285 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:12:44.285 INFO kablam!    --> src/varuint.rs:114:29
Sep 03 23:12:44.285 INFO kablam!     |
Sep 03 23:12:44.285 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 03 23:12:44.286 INFO kablam!     |                             ----^^^
Sep 03 23:12:44.286 INFO kablam!     |                             |
Sep 03 23:12:44.286 INFO kablam!     |                             help: remove this `mut`
Sep 03 23:12:44.286 INFO kablam!     |
Sep 03 23:12:44.286 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 03 23:12:44.286 INFO kablam! 
Sep 03 23:12:44.292 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:12:44.292 INFO kablam!    --> src/varuint.rs:187:20
Sep 03 23:12:44.292 INFO kablam!     |
Sep 03 23:12:44.292 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 03 23:12:44.292 INFO kablam!     |                    ----^
Sep 03 23:12:44.292 INFO kablam!     |                    |
Sep 03 23:12:44.292 INFO kablam!     |                    help: remove this `mut`
Sep 03 23:12:44.292 INFO kablam! 
Sep 03 23:12:44.303 INFO kablam! warning: variable does not need to be mutable
Sep 03 23:12:44.303 INFO kablam!    --> src/varuint.rs:372:20
Sep 03 23:12:44.303 INFO kablam!     |
Sep 03 23:12:44.303 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 03 23:12:44.303 INFO kablam!     |                    ----^
Sep 03 23:12:44.303 INFO kablam!     |                    |
Sep 03 23:12:44.303 INFO kablam!     |                    help: remove this `mut`
Sep 03 23:12:44.304 INFO kablam! 
Sep 03 23:12:44.320 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Sep 03 23:12:44.323 INFO kablam! su: No module specific data is present
Sep 03 23:12:44.685 INFO running `"docker" "rm" "-f" "f8036fa7f88b5530bcd04f9565c7fe2cb735b17cf45c572169ca22e0c8c2921c"`
Sep 03 23:12:44.791 INFO blam! f8036fa7f88b5530bcd04f9565c7fe2cb735b17cf45c572169ca22e0c8c2921c