Dec 12 22:26:54.647 INFO testing vernonrj/similarity against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 22:26:54.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 12 22:26:55.188 INFO [stdout] 7c184493810b4c044aff1dfdef50de0f0423eb33d8f08283a69d1c04bdc53c1e
Dec 12 22:26:55.190 INFO running `"docker" "start" "-a" "7c184493810b4c044aff1dfdef50de0f0423eb33d8f08283a69d1c04bdc53c1e"`
Dec 12 22:26:56.806 INFO [stderr] usermod: no changes
Dec 12 22:26:56.943 INFO [stderr]    Compiling gcc v0.3.43
Dec 12 22:26:56.943 INFO [stderr]    Compiling rustc-demangle v0.1.4
Dec 12 22:26:56.951 INFO [stderr]    Compiling bitflags v0.8.0
Dec 12 22:26:56.956 INFO [stderr]    Compiling term_size v0.2.3
Dec 12 22:26:56.956 INFO [stderr]    Compiling atty v0.2.2
Dec 12 22:26:56.956 INFO [stderr]    Compiling memchr v1.0.1
Dec 12 22:26:57.694 INFO [stderr]    Compiling clap v2.21.1
Dec 12 22:27:00.818 INFO [stderr]    Compiling backtrace-sys v0.1.10
Dec 12 22:27:23.779 INFO [stderr]    Compiling backtrace v0.3.0
Dec 12 22:27:26.885 INFO [stderr]    Compiling error-chain v0.10.0
Dec 12 22:27:35.516 INFO [stderr]    Compiling similarity v0.1.0 (/source)
Dec 12 22:27:36.023 INFO [stderr] warning: variable does not need to be mutable
Dec 12 22:27:36.023 INFO [stderr]    --> src/diffcore.rs:143:21
Dec 12 22:27:36.023 INFO [stderr]     |
Dec 12 22:27:36.023 INFO [stderr] 143 |                 let mut e = h.entry(buf).or_insert((hashed, 0));
Dec 12 22:27:36.023 INFO [stderr]     |                     ----^
Dec 12 22:27:36.023 INFO [stderr]     |                     |
Dec 12 22:27:36.023 INFO [stderr]     |                     help: remove this `mut`
Dec 12 22:27:36.023 INFO [stderr]     |
Dec 12 22:27:36.023 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 22:27:36.023 INFO [stderr] 
Dec 12 22:27:38.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.90s
Dec 12 22:27:38.751 INFO [stderr] su: No module specific data is present
Dec 12 22:27:39.912 INFO running `"docker" "inspect" "7c184493810b4c044aff1dfdef50de0f0423eb33d8f08283a69d1c04bdc53c1e"`
Dec 12 22:27:40.241 INFO running `"docker" "rm" "-f" "7c184493810b4c044aff1dfdef50de0f0423eb33d8f08283a69d1c04bdc53c1e"`
Dec 12 22:27:40.559 INFO [stdout] 7c184493810b4c044aff1dfdef50de0f0423eb33d8f08283a69d1c04bdc53c1e
Dec 12 22:27:40.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 12 22:27:40.967 INFO [stdout] 9ba82387b1d3a53ace95bfeddfcc58aa86ae0b9590da1ee9d67b6abea9001e16
Dec 12 22:27:40.972 INFO running `"docker" "start" "-a" "9ba82387b1d3a53ace95bfeddfcc58aa86ae0b9590da1ee9d67b6abea9001e16"`
Dec 12 22:27:42.255 INFO [stderr] usermod: no changes
Dec 12 22:27:42.367 INFO [stderr]    Compiling similarity v0.1.0 (/source)
Dec 12 22:27:43.051 INFO [stderr] warning: variable does not need to be mutable
Dec 12 22:27:43.051 INFO [stderr]    --> src/diffcore.rs:143:21
Dec 12 22:27:43.051 INFO [stderr]     |
Dec 12 22:27:43.051 INFO [stderr] 143 |                 let mut e = h.entry(buf).or_insert((hashed, 0));
Dec 12 22:27:43.051 INFO [stderr]     |                     ----^
Dec 12 22:27:43.051 INFO [stderr]     |                     |
Dec 12 22:27:43.051 INFO [stderr]     |                     help: remove this `mut`
Dec 12 22:27:43.051 INFO [stderr]     |
Dec 12 22:27:43.051 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 22:27:43.051 INFO [stderr] 
Dec 12 22:27:43.447 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Dec 12 22:27:43.448 INFO [stderr] su: No module specific data is present
Dec 12 22:27:44.435 INFO running `"docker" "inspect" "9ba82387b1d3a53ace95bfeddfcc58aa86ae0b9590da1ee9d67b6abea9001e16"`
Dec 12 22:27:44.733 INFO running `"docker" "rm" "-f" "9ba82387b1d3a53ace95bfeddfcc58aa86ae0b9590da1ee9d67b6abea9001e16"`
Dec 12 22:27:45.173 INFO [stdout] 9ba82387b1d3a53ace95bfeddfcc58aa86ae0b9590da1ee9d67b6abea9001e16
Dec 12 22:27:45.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 12 22:27:45.743 INFO [stdout] 7e1c83119a9a4df0658497347b8ce5ef3aefa1e0c9392fc1da3db247d21ae3dd
Dec 12 22:27:45.743 INFO running `"docker" "start" "-a" "7e1c83119a9a4df0658497347b8ce5ef3aefa1e0c9392fc1da3db247d21ae3dd"`
Dec 12 22:27:47.611 INFO [stderr] usermod: no changes
Dec 12 22:27:47.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Dec 12 22:27:47.852 INFO [stderr]      Running /target/debug/deps/similarity-19de73eb2aa978c7
Dec 12 22:27:47.852 INFO [stderr] su: No module specific data is present
Dec 12 22:27:47.853 INFO [stdout] 
Dec 12 22:27:47.853 INFO [stdout] running 0 tests
Dec 12 22:27:47.853 INFO [stdout] 
Dec 12 22:27:47.853 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 22:27:47.853 INFO [stdout] 
Dec 12 22:27:48.773 INFO running `"docker" "inspect" "7e1c83119a9a4df0658497347b8ce5ef3aefa1e0c9392fc1da3db247d21ae3dd"`
Dec 12 22:27:49.085 INFO running `"docker" "rm" "-f" "7e1c83119a9a4df0658497347b8ce5ef3aefa1e0c9392fc1da3db247d21ae3dd"`
Dec 12 22:27:49.446 INFO [stdout] 7e1c83119a9a4df0658497347b8ce5ef3aefa1e0c9392fc1da3db247d21ae3dd