Sep 14 06:57:26.405 INFO checking varuint-0.3.4 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 06:57:26.405 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 06:57:26.405 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-6/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 06:57:26.772 INFO blam! f82ed3d1088b672b49a14322013598f74224d50a3dd818fffff53fee3127643d
Sep 14 06:57:26.779 INFO running `"docker" "start" "-a" "f82ed3d1088b672b49a14322013598f74224d50a3dd818fffff53fee3127643d"`
Sep 14 06:57:28.195 INFO kablam! usermod: no changes
Sep 14 06:57:28.261 INFO kablam!     Checking varuint v0.3.4 (file:///source)
Sep 14 06:57:28.699 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:57:28.699 INFO kablam!    --> src/varuint.rs:114:29
Sep 14 06:57:28.699 INFO kablam!     |
Sep 14 06:57:28.699 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 14 06:57:28.699 INFO kablam!     |                             ----^^^
Sep 14 06:57:28.699 INFO kablam!     |                             |
Sep 14 06:57:28.699 INFO kablam!     |                             help: remove this `mut`
Sep 14 06:57:28.699 INFO kablam!     |
Sep 14 06:57:28.699 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 06:57:28.699 INFO kablam! 
Sep 14 06:57:28.705 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:57:28.705 INFO kablam!    --> src/varuint.rs:187:20
Sep 14 06:57:28.705 INFO kablam!     |
Sep 14 06:57:28.705 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 14 06:57:28.705 INFO kablam!     |                    ----^
Sep 14 06:57:28.705 INFO kablam!     |                    |
Sep 14 06:57:28.705 INFO kablam!     |                    help: remove this `mut`
Sep 14 06:57:28.705 INFO kablam! 
Sep 14 06:57:28.719 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:57:28.719 INFO kablam!    --> src/varuint.rs:372:20
Sep 14 06:57:28.719 INFO kablam!     |
Sep 14 06:57:28.719 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 14 06:57:28.719 INFO kablam!     |                    ----^
Sep 14 06:57:28.719 INFO kablam!     |                    |
Sep 14 06:57:28.719 INFO kablam!     |                    help: remove this `mut`
Sep 14 06:57:28.719 INFO kablam! 
Sep 14 06:57:28.767 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:57:28.767 INFO kablam!    --> src/varuint.rs:114:29
Sep 14 06:57:28.767 INFO kablam!     |
Sep 14 06:57:28.767 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 14 06:57:28.767 INFO kablam!     |                             ----^^^
Sep 14 06:57:28.767 INFO kablam!     |                             |
Sep 14 06:57:28.767 INFO kablam!     |                             help: remove this `mut`
Sep 14 06:57:28.767 INFO kablam!     |
Sep 14 06:57:28.767 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 06:57:28.767 INFO kablam! 
Sep 14 06:57:28.767 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:57:28.767 INFO kablam!    --> src/varuint.rs:187:20
Sep 14 06:57:28.767 INFO kablam!     |
Sep 14 06:57:28.767 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 14 06:57:28.767 INFO kablam!     |                    ----^
Sep 14 06:57:28.767 INFO kablam!     |                    |
Sep 14 06:57:28.767 INFO kablam!     |                    help: remove this `mut`
Sep 14 06:57:28.767 INFO kablam! 
Sep 14 06:57:28.775 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:57:28.775 INFO kablam!    --> src/varuint.rs:372:20
Sep 14 06:57:28.775 INFO kablam!     |
Sep 14 06:57:28.775 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 14 06:57:28.775 INFO kablam!     |                    ----^
Sep 14 06:57:28.775 INFO kablam!     |                    |
Sep 14 06:57:28.775 INFO kablam!     |                    help: remove this `mut`
Sep 14 06:57:28.775 INFO kablam! 
Sep 14 06:57:28.807 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Sep 14 06:57:28.811 INFO kablam! su: No module specific data is present
Sep 14 06:57:29.777 INFO running `"docker" "rm" "-f" "f82ed3d1088b672b49a14322013598f74224d50a3dd818fffff53fee3127643d"`
Sep 14 06:57:29.959 INFO blam! f82ed3d1088b672b49a14322013598f74224d50a3dd818fffff53fee3127643d