Dec 04 08:35:56.781 INFO checking timglabisch/mysql_schema_change_rsu against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:35:56.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 08:35:57.298 INFO [stdout] 31f380c217ecfccb1b8f1da812d0c4129f4aed949483b685b2cb3a779dc15e10
Dec 04 08:35:57.300 INFO running `"docker" "start" "-a" "31f380c217ecfccb1b8f1da812d0c4129f4aed949483b685b2cb3a779dc15e10"`
Dec 04 08:35:59.271 INFO [stderr] usermod: no changes
Dec 04 08:35:59.491 INFO [stderr]     Checking serde v1.0.16
Dec 04 08:35:59.491 INFO [stderr]     Checking uuid v0.5.1
Dec 04 08:35:59.491 INFO [stderr]     Checking atoi v0.2.2
Dec 04 08:35:59.492 INFO [stderr]     Checking nix v0.9.0
Dec 04 08:35:59.492 INFO [stderr]     Checking twox-hash v1.1.0
Dec 04 08:35:59.492 INFO [stderr]     Checking thread_local v0.3.4
Dec 04 08:35:59.493 INFO [stderr]    Compiling serde_derive_internals v0.16.0
Dec 04 08:35:59.493 INFO [stderr]     Checking url v1.5.1
Dec 04 08:36:01.721 INFO [stderr]     Checking regex v0.2.2
Dec 04 08:36:09.391 INFO [stderr]    Compiling serde_derive v1.0.16
Dec 04 08:36:25.320 INFO [stderr]     Checking serde_json v1.0.5
Dec 04 08:36:25.322 INFO [stderr]     Checking toml v0.4.5
Dec 04 08:36:28.864 INFO [stderr]     Checking mysql_common v0.2.0
Dec 04 08:36:31.889 INFO [stderr]     Checking mysql v12.0.3
Dec 04 08:36:34.210 INFO [stderr]     Checking mysql_schema_change_rsu v0.1.0 (/source)
Dec 04 08:36:35.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:36:35.168 INFO [stderr]   --> src/config.rs:48:9
Dec 04 08:36:35.168 INFO [stderr]    |
Dec 04 08:36:35.168 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Dec 04 08:36:35.168 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:36:35.168 INFO [stderr]    |
Dec 04 08:36:35.168 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 08:36:35.168 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:36:35.168 INFO [stderr] 
Dec 04 08:36:35.668 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 08:36:35.668 INFO [stderr]   --> src/config.rs:48:9
Dec 04 08:36:35.668 INFO [stderr]    |
Dec 04 08:36:35.668 INFO [stderr] 48 |         file.read_to_string(&mut buf);
Dec 04 08:36:35.668 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:36:35.668 INFO [stderr]    |
Dec 04 08:36:35.668 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 08:36:35.668 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 08:36:35.668 INFO [stderr] 
Dec 04 08:36:35.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.40s
Dec 04 08:36:35.723 INFO [stderr] su: No module specific data is present
Dec 04 08:36:37.197 INFO running `"docker" "inspect" "31f380c217ecfccb1b8f1da812d0c4129f4aed949483b685b2cb3a779dc15e10"`
Dec 04 08:36:37.497 INFO running `"docker" "rm" "-f" "31f380c217ecfccb1b8f1da812d0c4129f4aed949483b685b2cb3a779dc15e10"`
Dec 04 08:36:37.791 INFO [stdout] 31f380c217ecfccb1b8f1da812d0c4129f4aed949483b685b2cb3a779dc15e10