Dec 19 06:38:30.278 INFO checking tsullens/arc against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:38:30.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/tsullens/arc:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:38:30.779 INFO [stdout] 89e0837e4066ce4278594dd7e19c96ff78b24fa28afe966a5541750e93cd86fa
Dec 19 06:38:30.781 INFO running `"docker" "start" "-a" "89e0837e4066ce4278594dd7e19c96ff78b24fa28afe966a5541750e93cd86fa"`
Dec 19 06:38:32.344 INFO [stderr]     Checking rand_core v0.2.0
Dec 19 06:38:32.344 INFO [stderr]     Checking memchr v1.0.2
Dec 19 06:38:32.344 INFO [stderr]     Checking toml v0.4.6
Dec 19 06:38:32.348 INFO [stderr]     Checking regex v1.0.0
Dec 19 06:38:32.348 INFO [stderr]     Checking serde-hjson v0.8.1
Dec 19 06:38:32.920 INFO [stderr]     Checking nom v3.2.1
Dec 19 06:38:33.144 INFO [stderr]     Checking rand v0.5.0
Dec 19 06:38:36.670 INFO [stderr]     Checking config v0.8.0
Dec 19 06:38:38.232 INFO [stderr]     Checking arc v0.0.1 (/opt/crater/workdir)
Dec 19 06:38:38.716 INFO [stderr] warning: method is never used: `inc_key_count`
Dec 19 06:38:38.716 INFO [stderr]    --> src/server.rs:159:5
Dec 19 06:38:38.716 INFO [stderr]     |
Dec 19 06:38:38.716 INFO [stderr] 159 |     pub fn inc_key_count(&self) -> () {
Dec 19 06:38:38.716 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:38:38.716 INFO [stderr]     |
Dec 19 06:38:38.716 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 06:38:38.716 INFO [stderr] 
Dec 19 06:38:38.844 INFO [stderr] warning: method is never used: `inc_key_count`
Dec 19 06:38:38.844 INFO [stderr]    --> src/server.rs:159:5
Dec 19 06:38:38.844 INFO [stderr]     |
Dec 19 06:38:38.844 INFO [stderr] 159 |     pub fn inc_key_count(&self) -> () {
Dec 19 06:38:38.844 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:38:38.844 INFO [stderr]     |
Dec 19 06:38:38.844 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 06:38:38.844 INFO [stderr] 
Dec 19 06:38:38.876 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
Dec 19 06:38:39.808 INFO running `"docker" "inspect" "89e0837e4066ce4278594dd7e19c96ff78b24fa28afe966a5541750e93cd86fa"`
Dec 19 06:38:40.134 INFO running `"docker" "rm" "-f" "89e0837e4066ce4278594dd7e19c96ff78b24fa28afe966a5541750e93cd86fa"`
Dec 19 06:38:40.432 INFO [stdout] 89e0837e4066ce4278594dd7e19c96ff78b24fa28afe966a5541750e93cd86fa