Dec 11 06:48:01.947 INFO checking vernonrj/similarity against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 06:48:01.947 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 06:48:02.364 INFO [stdout] 1dbcc25cdced98d8618166a14e1efdf3a088d62d9aedacdcc3c62ec779f66bad
Dec 11 06:48:02.366 INFO running `"docker" "start" "-a" "1dbcc25cdced98d8618166a14e1efdf3a088d62d9aedacdcc3c62ec779f66bad"`
Dec 11 06:48:03.856 INFO [stderr] usermod: no changes
Dec 11 06:48:03.988 INFO [stderr]    Compiling gcc v0.3.43
Dec 11 06:48:03.988 INFO [stderr]    Compiling backtrace v0.3.0
Dec 11 06:48:03.988 INFO [stderr]     Checking memchr v1.0.1
Dec 11 06:48:03.988 INFO [stderr]     Checking clap v2.21.1
Dec 11 06:48:08.292 INFO [stderr]    Compiling backtrace-sys v0.1.10
Dec 11 06:48:27.208 INFO [stderr]     Checking error-chain v0.10.0
Dec 11 06:48:27.905 INFO [stderr]     Checking similarity v0.1.0 (/source)
Dec 11 06:48:28.856 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:48:28.856 INFO [stderr]    --> src/diffcore.rs:143:21
Dec 11 06:48:28.856 INFO [stderr]     |
Dec 11 06:48:28.856 INFO [stderr] 143 |                 let mut e = h.entry(buf).or_insert((hashed, 0));
Dec 11 06:48:28.856 INFO [stderr]     |                     ----^
Dec 11 06:48:28.856 INFO [stderr]     |                     |
Dec 11 06:48:28.856 INFO [stderr]     |                     help: remove this `mut`
Dec 11 06:48:28.856 INFO [stderr]     |
Dec 11 06:48:28.856 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 06:48:28.856 INFO [stderr] 
Dec 11 06:48:28.940 INFO [stderr] warning: variable does not need to be mutable
Dec 11 06:48:28.940 INFO [stderr]    --> src/diffcore.rs:143:21
Dec 11 06:48:28.940 INFO [stderr]     |
Dec 11 06:48:28.940 INFO [stderr] 143 |                 let mut e = h.entry(buf).or_insert((hashed, 0));
Dec 11 06:48:28.940 INFO [stderr]     |                     ----^
Dec 11 06:48:28.940 INFO [stderr]     |                     |
Dec 11 06:48:28.940 INFO [stderr]     |                     help: remove this `mut`
Dec 11 06:48:28.940 INFO [stderr]     |
Dec 11 06:48:28.940 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 06:48:28.940 INFO [stderr] 
Dec 11 06:48:29.065 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.18s
Dec 11 06:48:29.076 INFO [stderr] su: No module specific data is present
Dec 11 06:48:30.015 INFO running `"docker" "inspect" "1dbcc25cdced98d8618166a14e1efdf3a088d62d9aedacdcc3c62ec779f66bad"`
Dec 11 06:48:30.282 INFO running `"docker" "rm" "-f" "1dbcc25cdced98d8618166a14e1efdf3a088d62d9aedacdcc3c62ec779f66bad"`
Dec 11 06:48:30.620 INFO [stdout] 1dbcc25cdced98d8618166a14e1efdf3a088d62d9aedacdcc3c62ec779f66bad