Sep 01 02:45:34.625 INFO checking varuint-0.3.4 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 02:45:34.625 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 02:45:34.625 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 02:45:34.758 INFO blam! 09b9d81918491a5516b4bd12bf187062ae55bb5d139ade4c38ce9d36a593649f
Sep 01 02:45:34.760 INFO running `"docker" "start" "-a" "09b9d81918491a5516b4bd12bf187062ae55bb5d139ade4c38ce9d36a593649f"`
Sep 01 02:45:35.548 INFO kablam!     Checking varuint v0.3.4 (file:///source)
Sep 01 02:45:36.096 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:45:36.096 INFO kablam!    --> src/varuint.rs:114:29
Sep 01 02:45:36.096 INFO kablam!     |
Sep 01 02:45:36.096 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 01 02:45:36.096 INFO kablam!     |                             ----^^^
Sep 01 02:45:36.096 INFO kablam!     |                             |
Sep 01 02:45:36.096 INFO kablam!     |                             help: remove this `mut`
Sep 01 02:45:36.096 INFO kablam!     |
Sep 01 02:45:36.097 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 02:45:36.097 INFO kablam! 
Sep 01 02:45:36.105 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:45:36.105 INFO kablam!    --> src/varuint.rs:187:20
Sep 01 02:45:36.105 INFO kablam!     |
Sep 01 02:45:36.105 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 01 02:45:36.105 INFO kablam!     |                    ----^
Sep 01 02:45:36.105 INFO kablam!     |                    |
Sep 01 02:45:36.105 INFO kablam!     |                    help: remove this `mut`
Sep 01 02:45:36.106 INFO kablam! 
Sep 01 02:45:36.121 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:45:36.121 INFO kablam!    --> src/varuint.rs:372:20
Sep 01 02:45:36.121 INFO kablam!     |
Sep 01 02:45:36.121 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 01 02:45:36.121 INFO kablam!     |                    ----^
Sep 01 02:45:36.121 INFO kablam!     |                    |
Sep 01 02:45:36.121 INFO kablam!     |                    help: remove this `mut`
Sep 01 02:45:36.121 INFO kablam! 
Sep 01 02:45:36.180 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:45:36.180 INFO kablam!    --> src/varuint.rs:114:29
Sep 01 02:45:36.180 INFO kablam!     |
Sep 01 02:45:36.180 INFO kablam! 114 |     fn serialize_buf(&self, mut buf: &mut [u8]) -> usize {
Sep 01 02:45:36.180 INFO kablam!     |                             ----^^^
Sep 01 02:45:36.180 INFO kablam!     |                             |
Sep 01 02:45:36.180 INFO kablam!     |                             help: remove this `mut`
Sep 01 02:45:36.180 INFO kablam!     |
Sep 01 02:45:36.180 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 02:45:36.180 INFO kablam! 
Sep 01 02:45:36.185 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:45:36.185 INFO kablam!    --> src/varuint.rs:187:20
Sep 01 02:45:36.185 INFO kablam!     |
Sep 01 02:45:36.185 INFO kablam! 187 |     fn deserialize(mut r: &mut Read) -> Result<Varuint> {
Sep 01 02:45:36.185 INFO kablam!     |                    ----^
Sep 01 02:45:36.185 INFO kablam!     |                    |
Sep 01 02:45:36.185 INFO kablam!     |                    help: remove this `mut`
Sep 01 02:45:36.185 INFO kablam! 
Sep 01 02:45:36.195 INFO kablam! warning: variable does not need to be mutable
Sep 01 02:45:36.195 INFO kablam!    --> src/varuint.rs:372:20
Sep 01 02:45:36.195 INFO kablam!     |
Sep 01 02:45:36.195 INFO kablam! 372 |     fn deserialize(mut r: &mut Read) -> Result<Varint> {
Sep 01 02:45:36.195 INFO kablam!     |                    ----^
Sep 01 02:45:36.195 INFO kablam!     |                    |
Sep 01 02:45:36.195 INFO kablam!     |                    help: remove this `mut`
Sep 01 02:45:36.195 INFO kablam! 
Sep 01 02:45:36.215 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Sep 01 02:45:36.218 INFO kablam! su: No module specific data is present
Sep 01 02:45:36.578 INFO running `"docker" "rm" "-f" "09b9d81918491a5516b4bd12bf187062ae55bb5d139ade4c38ce9d36a593649f"`
Sep 01 02:45:36.673 INFO blam! 09b9d81918491a5516b4bd12bf187062ae55bb5d139ade4c38ce9d36a593649f