Nov 01 02:10:54.269 INFO checking kr-b/dna_encoder against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 02:10:54.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 02:10:55.153 INFO blam! 4e5c7f26a9028dccecf1b6df6266a1b9b2c66de52a1358eeace6a75ab6ce47a3
Nov 01 02:10:55.155 INFO running `"docker" "start" "-a" "4e5c7f26a9028dccecf1b6df6266a1b9b2c66de52a1358eeace6a75ab6ce47a3"`
Nov 01 02:10:56.744 INFO kablam! usermod: no changes
Nov 01 02:10:56.796 INFO kablam!     Checking dna_encoder v0.1.0 (/source)
Nov 01 02:10:57.592 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:10:57.592 INFO kablam!    --> src/main.rs:124:9
Nov 01 02:10:57.592 INFO kablam!     |
Nov 01 02:10:57.592 INFO kablam! 124 |     let mut out = String::new();
Nov 01 02:10:57.592 INFO kablam!     |         ----^^^
Nov 01 02:10:57.592 INFO kablam!     |         |
Nov 01 02:10:57.592 INFO kablam!     |         help: remove this `mut`
Nov 01 02:10:57.592 INFO kablam!     |
Nov 01 02:10:57.592 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 02:10:57.592 INFO kablam! 
Nov 01 02:10:57.670 INFO kablam! warning: variable does not need to be mutable
Nov 01 02:10:57.670 INFO kablam!    --> src/main.rs:124:9
Nov 01 02:10:57.670 INFO kablam!     |
Nov 01 02:10:57.670 INFO kablam! 124 |     let mut out = String::new();
Nov 01 02:10:57.670 INFO kablam!     |         ----^^^
Nov 01 02:10:57.670 INFO kablam!     |         |
Nov 01 02:10:57.670 INFO kablam!     |         help: remove this `mut`
Nov 01 02:10:57.670 INFO kablam!     |
Nov 01 02:10:57.670 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 02:10:57.670 INFO kablam! 
Nov 01 02:10:57.764 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 01 02:10:57.788 INFO kablam! su: No module specific data is present
Nov 01 02:10:58.908 INFO running `"docker" "rm" "-f" "4e5c7f26a9028dccecf1b6df6266a1b9b2c66de52a1358eeace6a75ab6ce47a3"`
Nov 01 02:10:59.172 INFO blam! 4e5c7f26a9028dccecf1b6df6266a1b9b2c66de52a1358eeace6a75ab6ce47a3