Sep 01 19:53:56.952 INFO checking varuint-0.3.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 19:53:56.952 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 19:53:56.952 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 19:53:57.113 INFO blam! 21b32eb58e3c7f41f60e39ea47f7beac14e27f216e214ec83be11472e590962e
Sep 01 19:53:57.114 INFO running `"docker" "start" "-a" "21b32eb58e3c7f41f60e39ea47f7beac14e27f216e214ec83be11472e590962e"`
Sep 01 19:53:57.683 INFO kablam!     Checking varuint v0.3.4 (file:///source)
Sep 01 19:53:58.167 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:53:58.168 INFO kablam!    --> src/varuint.rs:114:29
Sep 01 19:53:58.168 INFO kablam!     |
Sep 01 19:53:58.168 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 01 19:53:58.168 INFO kablam!     |                             ----^^^
Sep 01 19:53:58.168 INFO kablam!     |                             |
Sep 01 19:53:58.168 INFO kablam!     |                             help: remove this `mut`
Sep 01 19:53:58.168 INFO kablam!     |
Sep 01 19:53:58.168 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 19:53:58.168 INFO kablam! 
Sep 01 19:53:58.177 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:53:58.178 INFO kablam!    --> src/varuint.rs:187:20
Sep 01 19:53:58.178 INFO kablam!     |
Sep 01 19:53:58.178 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 01 19:53:58.178 INFO kablam!     |                    ----^
Sep 01 19:53:58.178 INFO kablam!     |                    |
Sep 01 19:53:58.178 INFO kablam!     |                    help: remove this `mut`
Sep 01 19:53:58.178 INFO kablam! 
Sep 01 19:53:58.184 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:53:58.184 INFO kablam!    --> src/varuint.rs:114:29
Sep 01 19:53:58.184 INFO kablam!     |
Sep 01 19:53:58.184 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 01 19:53:58.184 INFO kablam!     |                             ----^^^
Sep 01 19:53:58.184 INFO kablam!     |                             |
Sep 01 19:53:58.184 INFO kablam!     |                             help: remove this `mut`
Sep 01 19:53:58.184 INFO kablam!     |
Sep 01 19:53:58.184 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 19:53:58.184 INFO kablam! 
Sep 01 19:53:58.190 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:53:58.190 INFO kablam!    --> src/varuint.rs:187:20
Sep 01 19:53:58.190 INFO kablam!     |
Sep 01 19:53:58.190 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 01 19:53:58.190 INFO kablam!     |                    ----^
Sep 01 19:53:58.190 INFO kablam!     |                    |
Sep 01 19:53:58.190 INFO kablam!     |                    help: remove this `mut`
Sep 01 19:53:58.190 INFO kablam! 
Sep 01 19:53:58.196 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:53:58.196 INFO kablam!    --> src/varuint.rs:372:20
Sep 01 19:53:58.196 INFO kablam!     |
Sep 01 19:53:58.196 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 01 19:53:58.196 INFO kablam!     |                    ----^
Sep 01 19:53:58.196 INFO kablam!     |                    |
Sep 01 19:53:58.196 INFO kablam!     |                    help: remove this `mut`
Sep 01 19:53:58.196 INFO kablam! 
Sep 01 19:53:58.202 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:53:58.202 INFO kablam!    --> src/varuint.rs:372:20
Sep 01 19:53:58.202 INFO kablam!     |
Sep 01 19:53:58.202 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 01 19:53:58.202 INFO kablam!     |                    ----^
Sep 01 19:53:58.202 INFO kablam!     |                    |
Sep 01 19:53:58.202 INFO kablam!     |                    help: remove this `mut`
Sep 01 19:53:58.202 INFO kablam! 
Sep 01 19:53:58.222 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Sep 01 19:53:58.225 INFO kablam! su: No module specific data is present
Sep 01 19:53:58.568 INFO running `"docker" "rm" "-f" "21b32eb58e3c7f41f60e39ea47f7beac14e27f216e214ec83be11472e590962e"`
Sep 01 19:53:58.671 INFO blam! 21b32eb58e3c7f41f60e39ea47f7beac14e27f216e214ec83be11472e590962e