Dec 17 17:42:32.498 INFO checking pnathan/signifier against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:42:32.498 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:42:33.248 INFO [stdout] 2ca12c5c5b604d5dd329492c7a73865f9c04d2905143e96d054799575dc6140d
Dec 17 17:42:33.254 INFO running `"docker" "start" "-a" "2ca12c5c5b604d5dd329492c7a73865f9c04d2905143e96d054799575dc6140d"`
Dec 17 17:42:35.072 INFO [stderr]     Checking serde v0.9.13
Dec 17 17:42:35.080 INFO [stderr]     Checking memchr v0.1.11
Dec 17 17:42:35.089 INFO [stderr]     Checking mime v0.2.3
Dec 17 17:42:35.089 INFO [stderr]    Compiling hyper v0.10.7
Dec 17 17:42:35.089 INFO [stderr]     Checking idna v0.1.1
Dec 17 17:42:35.089 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 17:42:36.097 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 17:42:36.104 INFO [stderr]     Checking flame v0.1.11
Dec 17 17:42:36.135 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 17 17:42:38.288 INFO [stderr]     Checking regex v0.1.80
Dec 17 17:42:40.787 INFO [stderr]     Checking semver-parser v0.6.2
Dec 17 17:42:40.788 INFO [stderr]     Checking env_logger v0.3.5
Dec 17 17:42:42.018 INFO [stderr]     Checking semver v0.5.1
Dec 17 17:42:43.114 INFO [stderr]     Checking url v1.4.0
Dec 17 17:42:52.748 INFO [stderr]     Checking serde_json v0.9.10
Dec 17 17:42:54.545 INFO [stderr]     Checking rusted_cypher v1.0.0
Dec 17 17:42:55.772 INFO [stderr]     Checking signifier v1.0.0 (/opt/crater/workdir)
Dec 17 17:42:57.432 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:42:57.433 INFO [stderr]    --> src/main.rs:135:28
Dec 17 17:42:57.433 INFO [stderr]     |
Dec 17 17:42:57.433 INFO [stderr] 135 |                    match e.cause() {
Dec 17 17:42:57.433 INFO [stderr]     |                            ^^^^^
Dec 17 17:42:57.434 INFO [stderr]     |
Dec 17 17:42:57.434 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 17:42:57.434 INFO [stderr] 
Dec 17 17:42:57.628 INFO [stderr] warning: unused variable: `tx_collector`
Dec 17 17:42:57.629 INFO [stderr]    --> src/main.rs:199:17
Dec 17 17:42:57.629 INFO [stderr]     |
Dec 17 17:42:57.629 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 17 17:42:57.629 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 17 17:42:57.630 INFO [stderr]     |
Dec 17 17:42:57.630 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:42:57.630 INFO [stderr] 
Dec 17 17:42:57.630 INFO [stderr] warning: unused variable: `word_file_map`
Dec 17 17:42:57.630 INFO [stderr]    --> src/main.rs:331:13
Dec 17 17:42:57.630 INFO [stderr]     |
Dec 17 17:42:57.630 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:57.630 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 17 17:42:57.636 INFO [stderr] 
Dec 17 17:42:57.704 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 17:42:57.705 INFO [stderr]    --> src/main.rs:135:28
Dec 17 17:42:57.705 INFO [stderr]     |
Dec 17 17:42:57.705 INFO [stderr] 135 |                    match e.cause() {
Dec 17 17:42:57.705 INFO [stderr]     |                            ^^^^^
Dec 17 17:42:57.708 INFO [stderr]     |
Dec 17 17:42:57.708 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 17:42:57.708 INFO [stderr] 
Dec 17 17:42:57.720 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:42:57.720 INFO [stderr]    --> src/main.rs:331:9
Dec 17 17:42:57.721 INFO [stderr]     |
Dec 17 17:42:57.721 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:57.721 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 17 17:42:57.721 INFO [stderr]     |         |
Dec 17 17:42:57.722 INFO [stderr]     |         help: remove this `mut`
Dec 17 17:42:57.722 INFO [stderr]     |
Dec 17 17:42:57.722 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:42:57.724 INFO [stderr] 
Dec 17 17:42:57.822 INFO [stderr] warning: unused variable: `tx_collector`
Dec 17 17:42:57.822 INFO [stderr]    --> src/main.rs:199:17
Dec 17 17:42:57.822 INFO [stderr]     |
Dec 17 17:42:57.822 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 17 17:42:57.823 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 17 17:42:57.823 INFO [stderr]     |
Dec 17 17:42:57.823 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:42:57.823 INFO [stderr] 
Dec 17 17:42:57.823 INFO [stderr] warning: unused variable: `word_file_map`
Dec 17 17:42:57.823 INFO [stderr]    --> src/main.rs:331:13
Dec 17 17:42:57.823 INFO [stderr]     |
Dec 17 17:42:57.823 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:57.823 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 17 17:42:57.823 INFO [stderr] 
Dec 17 17:42:57.863 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:42:57.864 INFO [stderr]    --> src/main.rs:331:9
Dec 17 17:42:57.864 INFO [stderr]     |
Dec 17 17:42:57.864 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 17 17:42:57.864 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 17 17:42:57.864 INFO [stderr]     |         |
Dec 17 17:42:57.865 INFO [stderr]     |         help: remove this `mut`
Dec 17 17:42:57.865 INFO [stderr]     |
Dec 17 17:42:57.865 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:42:57.865 INFO [stderr] 
Dec 17 17:42:57.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.01s
Dec 17 17:42:59.114 INFO running `"docker" "inspect" "2ca12c5c5b604d5dd329492c7a73865f9c04d2905143e96d054799575dc6140d"`
Dec 17 17:42:59.398 INFO running `"docker" "rm" "-f" "2ca12c5c5b604d5dd329492c7a73865f9c04d2905143e96d054799575dc6140d"`
Dec 17 17:42:59.746 INFO [stdout] 2ca12c5c5b604d5dd329492c7a73865f9c04d2905143e96d054799575dc6140d