Dec 19 14:44:32.073 INFO checking justinnoah/rtracker against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:44:32.073 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/justinnoah/rtracker:/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 14:44:32.641 INFO [stdout] 393464c67f958756c475364626cf95b73c593fbd6e10f1355c4ec7aac7197c53
Dec 19 14:44:32.643 INFO running `"docker" "start" "-a" "393464c67f958756c475364626cf95b73c593fbd6e10f1355c4ec7aac7197c53"`
Dec 19 14:44:34.514 INFO [stderr]     Checking serde v0.9.14
Dec 19 14:44:34.515 INFO [stderr]     Checking rust-ini v0.10.0
Dec 19 14:44:34.516 INFO [stderr]     Checking r2d2 v0.7.2
Dec 19 14:44:34.516 INFO [stderr]     Checking num v0.1.37
Dec 19 14:44:34.516 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 19 14:44:34.536 INFO [stderr]     Checking env_logger v0.4.2
Dec 19 14:44:34.544 INFO [stderr]     Checking docopt v0.7.0
Dec 19 14:44:35.469 INFO [stderr]     Checking chrono v0.3.0
Dec 19 14:44:40.449 INFO [stderr]    Compiling serde_derive v0.9.14
Dec 19 14:44:50.733 INFO [stderr]     Checking serde_json v0.9.10
Dec 19 14:44:50.736 INFO [stderr]     Checking bincode v0.7.0
Dec 19 14:44:52.944 INFO [stderr]     Checking rusqlite v0.11.0
Dec 19 14:44:54.002 INFO [stderr]     Checking r2d2_sqlite v0.2.0
Dec 19 14:44:54.462 INFO [stderr]     Checking rtracker v0.7.0 (/opt/crater/workdir)
Dec 19 14:44:55.768 INFO [stderr] warning: value assigned to `ip` is never read
Dec 19 14:44:55.769 INFO [stderr]    --> src/handler.rs:155:21
Dec 19 14:44:55.769 INFO [stderr]     |
Dec 19 14:44:55.770 INFO [stderr] 155 |             let mut ip = String::new();
Dec 19 14:44:55.770 INFO [stderr]     |                     ^^
Dec 19 14:44:55.770 INFO [stderr]     |
Dec 19 14:44:55.771 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 14:44:55.771 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 14:44:55.772 INFO [stderr] 
Dec 19 14:44:56.007 INFO [stderr] warning: value assigned to `ip` is never read
Dec 19 14:44:56.007 INFO [stderr]    --> src/handler.rs:155:21
Dec 19 14:44:56.008 INFO [stderr]     |
Dec 19 14:44:56.008 INFO [stderr] 155 |             let mut ip = String::new();
Dec 19 14:44:56.009 INFO [stderr]     |                     ^^
Dec 19 14:44:56.009 INFO [stderr]     |
Dec 19 14:44:56.009 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 19 14:44:56.010 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 14:44:56.010 INFO [stderr] 
Dec 19 14:44:56.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.89s
Dec 19 14:44:57.270 INFO running `"docker" "inspect" "393464c67f958756c475364626cf95b73c593fbd6e10f1355c4ec7aac7197c53"`
Dec 19 14:44:57.544 INFO running `"docker" "rm" "-f" "393464c67f958756c475364626cf95b73c593fbd6e10f1355c4ec7aac7197c53"`
Dec 19 14:44:57.868 INFO [stdout] 393464c67f958756c475364626cf95b73c593fbd6e10f1355c4ec7aac7197c53