[INFO] updating cached repository cengizIO/anagram-finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cengizIO/anagram-finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cengizIO/anagram-finder" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cengizIO/anagram-finder"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cengizIO/anagram-finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cengizIO/anagram-finder" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cengizIO/anagram-finder"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cengizIO/anagram-finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f09d843ccfeb7e3d1b2f0ea58d689c52e34e9743
[INFO] sha for GitHub repo cengizIO/anagram-finder: f09d843ccfeb7e3d1b2f0ea58d689c52e34e9743
[INFO] validating manifest of cengizIO/anagram-finder on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cengizIO/anagram-finder on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cengizIO/anagram-finder
[INFO] finished frobbing cengizIO/anagram-finder
[INFO] frobbed toml for cengizIO/anagram-finder written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cengizIO/anagram-finder/Cargo.toml
[INFO] started frobbing cengizIO/anagram-finder
[INFO] finished frobbing cengizIO/anagram-finder
[INFO] frobbed toml for cengizIO/anagram-finder written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cengizIO/anagram-finder/Cargo.toml
[INFO] crate cengizIO/anagram-finder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking cengizIO/anagram-finder against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cengizIO/anagram-finder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be4d71a62e41f4713efd14542d45779f2c4999c5d865be1d154b0b78d1ba5a6d
[INFO] running `"docker" "start" "-a" "be4d71a62e41f4713efd14542d45779f2c4999c5d865be1d154b0b78d1ba5a6d"`
[INFO] [stderr]     Checking anagram v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/anagram.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/anagram.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "be4d71a62e41f4713efd14542d45779f2c4999c5d865be1d154b0b78d1ba5a6d"`
[INFO] running `"docker" "rm" "-f" "be4d71a62e41f4713efd14542d45779f2c4999c5d865be1d154b0b78d1ba5a6d"`
[INFO] [stdout] be4d71a62e41f4713efd14542d45779f2c4999c5d865be1d154b0b78d1ba5a6d