Dec 19 10:50:00.057 INFO checking pnathan/signifier against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:50:00.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:50:00.573 INFO [stdout] dcff6d37e866c05cfa3e486369f79084edbe25e63c99081c3da9116dc3c1c9a5
Dec 19 10:50:00.575 INFO running `"docker" "start" "-a" "dcff6d37e866c05cfa3e486369f79084edbe25e63c99081c3da9116dc3c1c9a5"`
Dec 19 10:50:02.404 INFO [stderr]     Checking serde v0.9.13
Dec 19 10:50:02.420 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 10:50:02.420 INFO [stderr]    Compiling hyper v0.10.7
Dec 19 10:50:02.420 INFO [stderr]     Checking idna v0.1.1
Dec 19 10:50:02.420 INFO [stderr]    Compiling syn v0.11.10
Dec 19 10:50:02.476 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 10:50:02.994 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 10:50:02.995 INFO [stderr]     Checking flame v0.1.11
Dec 19 10:50:05.660 INFO [stderr]     Checking regex v0.1.80
Dec 19 10:50:10.653 INFO [stderr]     Checking url v1.4.0
Dec 19 10:50:12.272 INFO [stderr]     Checking semver-parser v0.6.2
Dec 19 10:50:12.275 INFO [stderr]     Checking env_logger v0.3.5
Dec 19 10:50:15.620 INFO [stderr]     Checking semver v0.5.1
Dec 19 10:50:17.693 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 19 10:50:21.117 INFO [stderr]    Compiling serde_derive v0.9.13
Dec 19 10:50:29.232 INFO [stderr]     Checking serde_json v0.9.10
Dec 19 10:50:30.985 INFO [stderr]     Checking rusted_cypher v1.0.0
Dec 19 10:50:32.060 INFO [stderr]     Checking signifier v1.0.0 (/opt/crater/workdir)
Dec 19 10:50:32.656 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 10:50:32.656 INFO [stderr]    --> src/main.rs:135:28
Dec 19 10:50:32.656 INFO [stderr]     |
Dec 19 10:50:32.656 INFO [stderr] 135 |                    match e.cause() {
Dec 19 10:50:32.656 INFO [stderr]     |                            ^^^^^
Dec 19 10:50:32.656 INFO [stderr]     |
Dec 19 10:50:32.656 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 10:50:32.656 INFO [stderr] 
Dec 19 10:50:32.696 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 10:50:32.696 INFO [stderr]    --> src/main.rs:135:28
Dec 19 10:50:32.696 INFO [stderr]     |
Dec 19 10:50:32.696 INFO [stderr] 135 |                    match e.cause() {
Dec 19 10:50:32.696 INFO [stderr]     |                            ^^^^^
Dec 19 10:50:32.696 INFO [stderr]     |
Dec 19 10:50:32.696 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 19 10:50:32.696 INFO [stderr] 
Dec 19 10:50:32.748 INFO [stderr] warning: unused variable: `tx_collector`
Dec 19 10:50:32.748 INFO [stderr]    --> src/main.rs:199:17
Dec 19 10:50:32.748 INFO [stderr]     |
Dec 19 10:50:32.748 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 19 10:50:32.748 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 19 10:50:32.748 INFO [stderr]     |
Dec 19 10:50:32.748 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 10:50:32.748 INFO [stderr] 
Dec 19 10:50:32.748 INFO [stderr] warning: unused variable: `word_file_map`
Dec 19 10:50:32.748 INFO [stderr]    --> src/main.rs:331:13
Dec 19 10:50:32.748 INFO [stderr]     |
Dec 19 10:50:32.748 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 19 10:50:32.748 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 19 10:50:32.748 INFO [stderr] 
Dec 19 10:50:32.796 INFO [stderr] warning: unused variable: `tx_collector`
Dec 19 10:50:32.796 INFO [stderr]    --> src/main.rs:199:17
Dec 19 10:50:32.796 INFO [stderr]     |
Dec 19 10:50:32.796 INFO [stderr] 199 |         let mut tx_collector = tx_collector.clone();
Dec 19 10:50:32.796 INFO [stderr]     |                 ^^^^^^^^^^^^ help: consider using `_tx_collector` instead
Dec 19 10:50:32.796 INFO [stderr]     |
Dec 19 10:50:32.796 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 10:50:32.796 INFO [stderr] 
Dec 19 10:50:32.796 INFO [stderr] warning: unused variable: `word_file_map`
Dec 19 10:50:32.796 INFO [stderr]    --> src/main.rs:331:13
Dec 19 10:50:32.796 INFO [stderr]     |
Dec 19 10:50:32.796 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 19 10:50:32.796 INFO [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_word_file_map` instead
Dec 19 10:50:32.796 INFO [stderr] 
Dec 19 10:50:32.804 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:50:32.804 INFO [stderr]    --> src/main.rs:331:9
Dec 19 10:50:32.804 INFO [stderr]     |
Dec 19 10:50:32.804 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 19 10:50:32.804 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 19 10:50:32.804 INFO [stderr]     |         |
Dec 19 10:50:32.804 INFO [stderr]     |         help: remove this `mut`
Dec 19 10:50:32.804 INFO [stderr]     |
Dec 19 10:50:32.804 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 10:50:32.804 INFO [stderr] 
Dec 19 10:50:32.836 INFO [stderr] warning: variable does not need to be mutable
Dec 19 10:50:32.836 INFO [stderr]    --> src/main.rs:331:9
Dec 19 10:50:32.836 INFO [stderr]     |
Dec 19 10:50:32.836 INFO [stderr] 331 |     let mut word_file_map : HashMap<String, Vec<String>> = HashMap::new();
Dec 19 10:50:32.836 INFO [stderr]     |         ----^^^^^^^^^^^^^
Dec 19 10:50:32.836 INFO [stderr]     |         |
Dec 19 10:50:32.836 INFO [stderr]     |         help: remove this `mut`
Dec 19 10:50:32.836 INFO [stderr]     |
Dec 19 10:50:32.836 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 10:50:32.836 INFO [stderr] 
Dec 19 10:50:32.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.60s
Dec 19 10:50:33.380 INFO running `"docker" "inspect" "dcff6d37e866c05cfa3e486369f79084edbe25e63c99081c3da9116dc3c1c9a5"`
Dec 19 10:50:33.662 INFO running `"docker" "rm" "-f" "dcff6d37e866c05cfa3e486369f79084edbe25e63c99081c3da9116dc3c1c9a5"`
Dec 19 10:50:33.856 INFO [stdout] dcff6d37e866c05cfa3e486369f79084edbe25e63c99081c3da9116dc3c1c9a5