Dec 17 13:36:58.026 INFO checking timglabisch/mysql_schema_change_rsu against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:36:58.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:36:58.544 INFO [stdout] 93ca5c7ff03989f3b196804a96f50c934a14eb1c5a29f3f62ef074f017578f09
Dec 17 13:36:58.546 INFO running `"docker" "start" "-a" "93ca5c7ff03989f3b196804a96f50c934a14eb1c5a29f3f62ef074f017578f09"`
Dec 17 13:37:00.404 INFO [stderr]     Checking lazy_static v0.2.9
Dec 17 13:37:00.405 INFO [stderr]     Checking serde v1.0.16
Dec 17 13:37:00.461 INFO [stderr]     Checking atoi v0.2.2
Dec 17 13:37:00.461 INFO [stderr]     Checking memchr v1.0.2
Dec 17 13:37:00.461 INFO [stderr]     Checking rand v0.3.17
Dec 17 13:37:00.462 INFO [stderr]     Checking nix v0.9.0
Dec 17 13:37:00.463 INFO [stderr]     Checking url v1.5.1
Dec 17 13:37:00.463 INFO [stderr]     Checking chrono v0.4.0
Dec 17 13:37:01.333 INFO [stderr]    Compiling serde_derive v1.0.16
Dec 17 13:37:02.062 INFO [stderr]     Checking thread_local v0.3.4
Dec 17 13:37:02.186 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 13:37:06.002 INFO [stderr]     Checking regex v0.2.2
Dec 17 13:37:09.509 INFO [stderr]     Checking twox-hash v1.1.0
Dec 17 13:37:27.530 INFO [stderr]     Checking serde_json v1.0.5
Dec 17 13:37:27.531 INFO [stderr]     Checking toml v0.4.5
Dec 17 13:37:30.715 INFO [stderr]     Checking mysql_common v0.2.0
Dec 17 13:37:33.072 INFO [stderr]     Checking mysql v12.0.3
Dec 17 13:37:35.244 INFO [stderr]     Checking mysql_schema_change_rsu v0.1.0 (/opt/crater/workdir)
Dec 17 13:37:36.048 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:37:36.048 INFO [stderr]   --> src/config.rs:48:9
Dec 17 13:37:36.048 INFO [stderr]    |
Dec 17 13:37:36.048 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Dec 17 13:37:36.048 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:37:36.048 INFO [stderr]    |
Dec 17 13:37:36.048 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:37:36.048 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:37:36.048 INFO [stderr] 
Dec 17 13:37:36.171 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:37:36.171 INFO [stderr]   --> src/config.rs:48:9
Dec 17 13:37:36.171 INFO [stderr]    |
Dec 17 13:37:36.171 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Dec 17 13:37:36.171 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:37:36.171 INFO [stderr]    |
Dec 17 13:37:36.171 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:37:36.171 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:37:36.171 INFO [stderr] 
Dec 17 13:37:36.236 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.98s
Dec 17 13:37:36.900 INFO running `"docker" "inspect" "93ca5c7ff03989f3b196804a96f50c934a14eb1c5a29f3f62ef074f017578f09"`
Dec 17 13:37:37.122 INFO running `"docker" "rm" "-f" "93ca5c7ff03989f3b196804a96f50c934a14eb1c5a29f3f62ef074f017578f09"`
Dec 17 13:37:37.428 INFO [stdout] 93ca5c7ff03989f3b196804a96f50c934a14eb1c5a29f3f62ef074f017578f09