Dec 04 12:16:26.048 INFO checking pnathan/signifier against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:16:26.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 12:16:26.463 INFO [stdout] 60abbff923f3dd1f23a26a8cfd98836ea924fc08197478dcc16a5b69078d4762
Dec 04 12:16:26.466 INFO running `"docker" "start" "-a" "60abbff923f3dd1f23a26a8cfd98836ea924fc08197478dcc16a5b69078d4762"`
Dec 04 12:16:27.354 INFO [stderr] usermod: no changes
Dec 04 12:16:27.559 INFO [stderr]     Checking serde v0.9.13
Dec 04 12:16:27.567 INFO [stderr]     Checking memchr v0.1.11
Dec 04 12:16:27.580 INFO [stderr]    Compiling hyper v0.10.7
Dec 04 12:16:27.580 INFO [stderr]    Compiling syn v0.11.10
Dec 04 12:16:27.582 INFO [stderr]     Checking thread-id v2.0.0
Dec 04 12:16:28.127 INFO [stderr]     Checking thread_local v0.2.7
Dec 04 12:16:28.127 INFO [stderr]     Checking flame v0.1.11
Dec 04 12:16:28.495 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 04 12:16:29.917 INFO [stderr]     Checking regex v0.1.80
Dec 04 12:16:33.793 INFO [stderr]     Checking semver-parser v0.6.2
Dec 04 12:16:33.793 INFO [stderr]     Checking env_logger v0.3.5
Dec 04 12:16:35.683 INFO [stderr]     Checking semver v0.5.1
Dec 04 12:16:36.989 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 04 12:16:40.196 INFO [stderr]    Compiling serde_derive v0.9.13
Dec 04 12:16:43.619 INFO [stderr]     Checking serde_json v0.9.10
Dec 04 12:16:47.486 INFO [stderr]     Checking rusted_cypher v1.0.0
Dec 04 12:16:48.931 INFO [stderr]     Checking signifier v1.0.0 (/source)
Dec 04 12:16:51.347 INFO [stderr] warning: unused variable: `tx_collector`
Dec 04 12:16:51.347 INFO [stderr]    --> src/main.rs:199:17
Dec 04 12:16:51.347 INFO [stderr]     |
Dec 04 12:16:51.347 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 04 12:16:51.347 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 04 12:16:51.347 INFO [stderr]     |
Dec 04 12:16:51.347 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 12:16:51.347 INFO [stderr] 
Dec 04 12:16:51.347 INFO [stderr] warning: unused variable: `word_file_map`
Dec 04 12:16:51.347 INFO [stderr]    --> src/main.rs:331:13
Dec 04 12:16:51.347 INFO [stderr]     |
Dec 04 12:16:51.347 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 04 12:16:51.347 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 04 12:16:51.347 INFO [stderr] 
Dec 04 12:16:51.471 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:16:51.471 INFO [stderr]    --> src/main.rs:331:9
Dec 04 12:16:51.471 INFO [stderr]     |
Dec 04 12:16:51.471 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 04 12:16:51.471 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 04 12:16:51.471 INFO [stderr]     |         |
Dec 04 12:16:51.471 INFO [stderr]     |         help: remove this `mut`
Dec 04 12:16:51.475 INFO [stderr]     |
Dec 04 12:16:51.475 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 12:16:51.475 INFO [stderr] 
Dec 04 12:16:51.563 INFO [stderr] warning: unused variable: `tx_collector`
Dec 04 12:16:51.563 INFO [stderr]    --> src/main.rs:199:17
Dec 04 12:16:51.563 INFO [stderr]     |
Dec 04 12:16:51.563 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 04 12:16:51.563 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 04 12:16:51.563 INFO [stderr]     |
Dec 04 12:16:51.563 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 12:16:51.563 INFO [stderr] 
Dec 04 12:16:51.563 INFO [stderr] warning: unused variable: `word_file_map`
Dec 04 12:16:51.563 INFO [stderr]    --> src/main.rs:331:13
Dec 04 12:16:51.563 INFO [stderr]     |
Dec 04 12:16:51.563 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 04 12:16:51.563 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 04 12:16:51.563 INFO [stderr] 
Dec 04 12:16:51.600 INFO [stderr] warning: variable does not need to be mutable
Dec 04 12:16:51.600 INFO [stderr]    --> src/main.rs:331:9
Dec 04 12:16:51.600 INFO [stderr]     |
Dec 04 12:16:51.600 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 04 12:16:51.600 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 04 12:16:51.600 INFO [stderr]     |         |
Dec 04 12:16:51.600 INFO [stderr]     |         help: remove this `mut`
Dec 04 12:16:51.600 INFO [stderr]     |
Dec 04 12:16:51.600 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 12:16:51.600 INFO [stderr] 
Dec 04 12:16:51.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.25s
Dec 04 12:16:51.655 INFO [stderr] su: No module specific data is present
Dec 04 12:16:52.491 INFO running `"docker" "inspect" "60abbff923f3dd1f23a26a8cfd98836ea924fc08197478dcc16a5b69078d4762"`
Dec 04 12:16:52.792 INFO running `"docker" "rm" "-f" "60abbff923f3dd1f23a26a8cfd98836ea924fc08197478dcc16a5b69078d4762"`
Dec 04 12:16:53.083 INFO [stdout] 60abbff923f3dd1f23a26a8cfd98836ea924fc08197478dcc16a5b69078d4762