Dec 19 07:06:51.139 INFO checking timglabisch/mysql_schema_change_rsu against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:06:51.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/timglabisch/mysql_schema_change_rsu:/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 07:06:51.628 INFO [stdout] befda30cd95b29381ecfeb981a1bd30d7490002cc080bf8e7535c8168464a26d
Dec 19 07:06:51.634 INFO running `"docker" "start" "-a" "befda30cd95b29381ecfeb981a1bd30d7490002cc080bf8e7535c8168464a26d"`
Dec 19 07:06:53.426 INFO [stderr]     Checking lazy_static v0.2.9
Dec 19 07:06:53.427 INFO [stderr]     Checking smallvec v0.4.4
Dec 19 07:06:53.428 INFO [stderr]     Checking bit-vec v0.4.4
Dec 19 07:06:53.438 INFO [stderr]     Checking bufstream v0.1.3
Dec 19 07:06:53.446 INFO [stderr]     Checking atoi v0.2.2
Dec 19 07:06:53.448 INFO [stderr]     Checking memchr v1.0.2
Dec 19 07:06:53.453 INFO [stderr]     Checking rand v0.3.17
Dec 19 07:06:53.456 INFO [stderr]     Checking serde_json v1.0.5
Dec 19 07:06:54.513 INFO [stderr]     Checking toml v0.4.5
Dec 19 07:06:54.974 INFO [stderr]     Checking nix v0.9.0
Dec 19 07:06:54.977 INFO [stderr]     Checking thread_local v0.3.4
Dec 19 07:06:55.025 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 07:06:57.853 INFO [stderr]     Checking regex v0.2.2
Dec 19 07:06:59.148 INFO [stderr]     Checking twox-hash v1.1.0
Dec 19 07:07:03.144 INFO [stderr]     Checking mysql_common v0.2.0
Dec 19 07:07:06.111 INFO [stderr]     Checking mysql v12.0.3
Dec 19 07:07:08.119 INFO [stderr]     Checking mysql_schema_change_rsu v0.1.0 (/opt/crater/workdir)
Dec 19 07:07:08.922 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:07:08.922 INFO [stderr]   --> src/config.rs:48:9
Dec 19 07:07:08.922 INFO [stderr]    |
Dec 19 07:07:08.922 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Dec 19 07:07:08.922 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:07:08.922 INFO [stderr]    |
Dec 19 07:07:08.922 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:07:08.922 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:07:08.922 INFO [stderr] 
Dec 19 07:07:09.059 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:07:09.059 INFO [stderr]   --> src/config.rs:48:9
Dec 19 07:07:09.059 INFO [stderr]    |
Dec 19 07:07:09.060 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Dec 19 07:07:09.060 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:07:09.060 INFO [stderr]    |
Dec 19 07:07:09.061 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:07:09.061 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:07:09.061 INFO [stderr] 
Dec 19 07:07:09.097 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.82s
Dec 19 07:07:11.053 INFO running `"docker" "inspect" "befda30cd95b29381ecfeb981a1bd30d7490002cc080bf8e7535c8168464a26d"`
Dec 19 07:07:11.414 INFO running `"docker" "rm" "-f" "befda30cd95b29381ecfeb981a1bd30d7490002cc080bf8e7535c8168464a26d"`
Dec 19 07:07:11.772 INFO [stdout] befda30cd95b29381ecfeb981a1bd30d7490002cc080bf8e7535c8168464a26d