Nov 27 18:43:01.387 INFO checking timglabisch/mysql_schema_change_rsu against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:43:01.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 18:43:01.966 INFO [stdout] 29b167ded2c35cf7b510a3c9402787a118a2e012025b513dbe4640df1be6183f
Nov 27 18:43:01.968 INFO running `"docker" "start" "-a" "29b167ded2c35cf7b510a3c9402787a118a2e012025b513dbe4640df1be6183f"`
Nov 27 18:43:04.105 INFO [stderr] usermod: no changes
Nov 27 18:43:04.296 INFO [stderr]     Checking serde v1.0.16
Nov 27 18:43:04.296 INFO [stderr]     Checking bufstream v0.1.3
Nov 27 18:43:04.297 INFO [stderr]     Checking atoi v0.2.2
Nov 27 18:43:04.297 INFO [stderr]     Checking memchr v1.0.2
Nov 27 18:43:04.298 INFO [stderr]     Checking rand v0.3.17
Nov 27 18:43:04.322 INFO [stderr]     Checking net2 v0.2.31
Nov 27 18:43:04.322 INFO [stderr]     Checking nix v0.9.0
Nov 27 18:43:04.322 INFO [stderr]     Checking thread_local v0.3.4
Nov 27 18:43:05.729 INFO [stderr]     Checking clap v2.27.1
Nov 27 18:43:05.969 INFO [stderr]     Checking num v0.1.40
Nov 27 18:43:06.037 INFO [stderr]     Checking aho-corasick v0.6.3
Nov 27 18:43:06.737 INFO [stderr]    Compiling serde_derive v1.0.16
Nov 27 18:43:07.236 INFO [stderr]     Checking chrono v0.4.0
Nov 27 18:43:08.780 INFO [stderr]     Checking regex v0.2.2
Nov 27 18:43:13.294 INFO [stderr]     Checking twox-hash v1.1.0
Nov 27 18:43:38.271 INFO [stderr]     Checking serde_json v1.0.5
Nov 27 18:43:38.274 INFO [stderr]     Checking toml v0.4.5
Nov 27 18:43:42.427 INFO [stderr]     Checking mysql_common v0.2.0
Nov 27 18:43:45.061 INFO [stderr]     Checking mysql v12.0.3
Nov 27 18:43:47.500 INFO [stderr]     Checking mysql_schema_change_rsu v0.1.0 (/source)
Nov 27 18:43:48.388 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 18:43:48.388 INFO [stderr]   --> src/config.rs:48:9
Nov 27 18:43:48.388 INFO [stderr]    |
Nov 27 18:43:48.388 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Nov 27 18:43:48.389 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:43:48.389 INFO [stderr]    |
Nov 27 18:43:48.389 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 18:43:48.389 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 18:43:48.389 INFO [stderr] 
Nov 27 18:43:48.523 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 18:43:48.523 INFO [stderr]   --> src/config.rs:48:9
Nov 27 18:43:48.523 INFO [stderr]    |
Nov 27 18:43:48.523 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Nov 27 18:43:48.523 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:43:48.523 INFO [stderr]    |
Nov 27 18:43:48.523 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 18:43:48.523 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 18:43:48.523 INFO [stderr] 
Nov 27 18:43:48.561 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.43s
Nov 27 18:43:48.571 INFO [stderr] su: No module specific data is present
Nov 27 18:43:49.170 INFO running `"docker" "inspect" "29b167ded2c35cf7b510a3c9402787a118a2e012025b513dbe4640df1be6183f"`
Nov 27 18:43:49.402 INFO running `"docker" "rm" "-f" "29b167ded2c35cf7b510a3c9402787a118a2e012025b513dbe4640df1be6183f"`
Nov 27 18:43:49.517 INFO [stdout] 29b167ded2c35cf7b510a3c9402787a118a2e012025b513dbe4640df1be6183f