Dec 17 17:42:33.313 INFO checking pnathan/signifier against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:42:33.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/pnathan/signifier:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:42:33.730 INFO [stdout] 5cd55cea71385efcfa1f487f4cb4fbe615a442fc3a02416ef4efb8c3570e82cb
Dec 17 17:42:33.734 INFO running `"docker" "start" "-a" "5cd55cea71385efcfa1f487f4cb4fbe615a442fc3a02416ef4efb8c3570e82cb"`
Dec 17 17:42:35.460 INFO [stderr]     Checking memchr v0.1.11
Dec 17 17:42:35.460 INFO [stderr]     Checking serde_json v0.9.10
Dec 17 17:42:35.462 INFO [stderr]    Compiling hyper v0.10.7
Dec 17 17:42:35.465 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 17:42:36.037 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 17:42:36.037 INFO [stderr]     Checking flame v0.1.11
Dec 17 17:42:36.488 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 17 17:42:38.516 INFO [stderr]     Checking regex v0.1.80
Dec 17 17:42:44.418 INFO [stderr]     Checking semver-parser v0.6.2
Dec 17 17:42:44.418 INFO [stderr]     Checking env_logger v0.3.5
Dec 17 17:42:45.541 INFO [stderr]     Checking semver v0.5.1
Dec 17 17:42:46.597 INFO [stderr]     Checking rusted_cypher v1.0.0
Dec 17 17:42:47.857 INFO [stderr]     Checking signifier v1.0.0 (/opt/crater/workdir)
Dec 17 17:42:50.050 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:42:50.051 INFO [stderr]    --> src/main.rs:135:28
Dec 17 17:42:50.051 INFO [stderr]     |
Dec 17 17:42:50.051 INFO [stderr] 135 |                    match e.cause() {
Dec 17 17:42:50.052 INFO [stderr]     |                            ^^^^^
Dec 17 17:42:50.052 INFO [stderr]     |
Dec 17 17:42:50.052 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 17:42:50.052 INFO [stderr] 
Dec 17 17:42:50.056 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:42:50.056 INFO [stderr]    --> src/main.rs:135:28
Dec 17 17:42:50.056 INFO [stderr]     |
Dec 17 17:42:50.056 INFO [stderr] 135 |                    match e.cause() {
Dec 17 17:42:50.056 INFO [stderr]     |                            ^^^^^
Dec 17 17:42:50.060 INFO [stderr]     |
Dec 17 17:42:50.060 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 17:42:50.060 INFO [stderr] 
Dec 17 17:42:50.244 INFO [stderr] warning: unused variable: `tx_collector`
Dec 17 17:42:50.244 INFO [stderr]    --> src/main.rs:199:17
Dec 17 17:42:50.245 INFO [stderr]     |
Dec 17 17:42:50.245 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 17 17:42:50.245 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 17 17:42:50.245 INFO [stderr]     |
Dec 17 17:42:50.246 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:42:50.246 INFO [stderr] 
Dec 17 17:42:50.247 INFO [stderr] warning: unused variable: `word_file_map`
Dec 17 17:42:50.247 INFO [stderr]    --> src/main.rs:331:13
Dec 17 17:42:50.247 INFO [stderr]     |
Dec 17 17:42:50.248 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:50.248 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 17 17:42:50.248 INFO [stderr] 
Dec 17 17:42:50.315 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:42:50.316 INFO [stderr]    --> src/main.rs:331:9
Dec 17 17:42:50.316 INFO [stderr]     |
Dec 17 17:42:50.316 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:50.317 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 17 17:42:50.317 INFO [stderr]     |         |
Dec 17 17:42:50.317 INFO [stderr]     |         help: remove this `mut`
Dec 17 17:42:50.319 INFO [stderr] warning: unused variable: `tx_collector`
Dec 17 17:42:50.319 INFO [stderr]    --> src/main.rs:199:17
Dec 17 17:42:50.319 INFO [stderr]     |
Dec 17 17:42:50.319 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 17 17:42:50.319 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 17 17:42:50.319 INFO [stderr]     |
Dec 17 17:42:50.319 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:42:50.320 INFO [stderr] 
Dec 17 17:42:50.320 INFO [stderr] warning: unused variable: `word_file_map`
Dec 17 17:42:50.320 INFO [stderr]    --> src/main.rs:331:13
Dec 17 17:42:50.320 INFO [stderr]     |
Dec 17 17:42:50.320 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:50.320 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 17 17:42:50.320 INFO [stderr] 
Dec 17 17:42:50.328 INFO [stderr]     |
Dec 17 17:42:50.328 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:42:50.328 INFO [stderr] 
Dec 17 17:42:50.413 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:42:50.413 INFO [stderr]    --> src/main.rs:331:9
Dec 17 17:42:50.413 INFO [stderr]     |
Dec 17 17:42:50.413 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:50.413 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 17 17:42:50.413 INFO [stderr]     |         |
Dec 17 17:42:50.413 INFO [stderr]     |         help: remove this `mut`
Dec 17 17:42:50.417 INFO [stderr]     |
Dec 17 17:42:50.417 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:42:50.417 INFO [stderr] 
Dec 17 17:42:50.473 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.20s
Dec 17 17:42:51.350 INFO running `"docker" "inspect" "5cd55cea71385efcfa1f487f4cb4fbe615a442fc3a02416ef4efb8c3570e82cb"`
Dec 17 17:42:51.642 INFO running `"docker" "rm" "-f" "5cd55cea71385efcfa1f487f4cb4fbe615a442fc3a02416ef4efb8c3570e82cb"`
Dec 17 17:42:52.028 INFO [stdout] 5cd55cea71385efcfa1f487f4cb4fbe615a442fc3a02416ef4efb8c3570e82cb