Dec 19 08:57:22.125 INFO checking sharkdp/kickoff against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:57:22.125 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sharkdp/kickoff:/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 08:57:22.644 INFO [stdout] 7c70720773938541d9c68eb24ccc1b859db7cda261f1a2c8f502d30601ae3367
Dec 19 08:57:22.646 INFO running `"docker" "start" "-a" "7c70720773938541d9c68eb24ccc1b859db7cda261f1a2c8f502d30601ae3367"`
Dec 19 08:57:25.104 INFO [stderr]     Checking log v0.4.5
Dec 19 08:57:25.108 INFO [stderr]     Checking yaml-rust v0.4.2
Dec 19 08:57:25.109 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 08:57:25.113 INFO [stderr]     Checking clap v2.32.0
Dec 19 08:57:25.113 INFO [stderr]     Checking ctrlc v3.1.1
Dec 19 08:57:26.989 INFO [stderr]     Checking regex v1.0.5
Dec 19 08:57:31.360 INFO [stderr]     Checking env_logger v0.5.13
Dec 19 08:57:33.092 INFO [stderr]     Checking kickoff v0.1.0 (/opt/crater/workdir)
Dec 19 08:57:34.366 INFO [stderr] warning: unused variable: `socket_server`
Dec 19 08:57:34.366 INFO [stderr]   --> src/controller.rs:37:13
Dec 19 08:57:34.366 INFO [stderr]    |
Dec 19 08:57:34.366 INFO [stderr] 37 |         let socket_server = thread::spawn(move || {
Dec 19 08:57:34.366 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Dec 19 08:57:34.366 INFO [stderr]    |
Dec 19 08:57:34.366 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:34.366 INFO [stderr] 
Dec 19 08:57:34.585 INFO [stderr] warning: unused variable: `socket_server`
Dec 19 08:57:34.585 INFO [stderr]   --> src/controller.rs:37:13
Dec 19 08:57:34.585 INFO [stderr]    |
Dec 19 08:57:34.585 INFO [stderr] 37 |         let socket_server = thread::spawn(move || {
Dec 19 08:57:34.586 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Dec 19 08:57:34.586 INFO [stderr]    |
Dec 19 08:57:34.586 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:34.586 INFO [stderr] 
Dec 19 08:57:34.654 INFO [stderr] warning: struct is never constructed: `ClusterIterator`
Dec 19 08:57:34.654 INFO [stderr]   --> src/util/cluster.rs:10:1
Dec 19 08:57:34.654 INFO [stderr]    |
Dec 19 08:57:34.654 INFO [stderr] 10 | pub struct ClusterIterator<T> {
Dec 19 08:57:34.654 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:34.655 INFO [stderr]    |
Dec 19 08:57:34.655 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:57:34.655 INFO [stderr] 
Dec 19 08:57:34.655 INFO [stderr] warning: method is never used: `from`
Dec 19 08:57:34.655 INFO [stderr]   --> src/util/cluster.rs:15:5
Dec 19 08:57:34.655 INFO [stderr]    |
Dec 19 08:57:34.655 INFO [stderr] 15 |     pub fn from<I: Iterator<Item = T> + 'static>(base: I) -> ClusterIterator<T> {
Dec 19 08:57:34.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:34.656 INFO [stderr] 
Dec 19 08:57:34.968 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
Dec 19 08:57:35.800 INFO running `"docker" "inspect" "7c70720773938541d9c68eb24ccc1b859db7cda261f1a2c8f502d30601ae3367"`
Dec 19 08:57:36.068 INFO running `"docker" "rm" "-f" "7c70720773938541d9c68eb24ccc1b859db7cda261f1a2c8f502d30601ae3367"`
Dec 19 08:57:36.396 INFO [stdout] 7c70720773938541d9c68eb24ccc1b859db7cda261f1a2c8f502d30601ae3367