[INFO] updating cached repository https://github.com/timglabisch/mysql_schema_change_rsu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e0ad37339a6327c4cbe3f67e2e810eeb544e907
[INFO] testing timglabisch/mysql_schema_change_rsu against 1.39.0 for beta-1.40-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Fmysql_schema_change_rsu" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timglabisch/mysql_schema_change_rsu on toolchain 1.39.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.39.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/timglabisch/mysql_schema_change_rsu
[INFO] finished tweaking git repo https://github.com/timglabisch/mysql_schema_change_rsu
[INFO] tweaked toml for git repo https://github.com/timglabisch/mysql_schema_change_rsu written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/timglabisch/mysql_schema_change_rsu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.39.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.39.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a33ff6e4cb22f1a3176dcac79313a72abec26ef73d004681b809b94fb1939f14
[INFO] running `"docker" "start" "-a" "a33ff6e4cb22f1a3176dcac79313a72abec26ef73d004681b809b94fb1939f14"`
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling atoi v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling twox-hash v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.5
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling mysql_common v0.2.0
[INFO] [stderr]    Compiling mysql v12.0.3
[INFO] [stderr]    Compiling mysql_schema_change_rsu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/config.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         file.read_to_string(&mut buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "a33ff6e4cb22f1a3176dcac79313a72abec26ef73d004681b809b94fb1939f14"`
[INFO] running `"docker" "rm" "-f" "a33ff6e4cb22f1a3176dcac79313a72abec26ef73d004681b809b94fb1939f14"`
[INFO] [stdout] a33ff6e4cb22f1a3176dcac79313a72abec26ef73d004681b809b94fb1939f14
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.39.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60e5955b93025c7904c23c492b860630cfa4e6309c54c328ad5261662beed567
[INFO] running `"docker" "start" "-a" "60e5955b93025c7904c23c492b860630cfa4e6309c54c328ad5261662beed567"`
[INFO] [stderr]    Compiling mysql_schema_change_rsu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/config.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         file.read_to_string(&mut buf);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "60e5955b93025c7904c23c492b860630cfa4e6309c54c328ad5261662beed567"`
[INFO] running `"docker" "rm" "-f" "60e5955b93025c7904c23c492b860630cfa4e6309c54c328ad5261662beed567"`
[INFO] [stdout] 60e5955b93025c7904c23c492b860630cfa4e6309c54c328ad5261662beed567
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.39.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee09a920f7f4607f1c26c694530302790fd9f384c119ac901c8c2725e5a20ca5
[INFO] running `"docker" "start" "-a" "ee09a920f7f4607f1c26c694530302790fd9f384c119ac901c8c2725e5a20ca5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mysql_schema_change_rsu-41e98c7d727b3669
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ee09a920f7f4607f1c26c694530302790fd9f384c119ac901c8c2725e5a20ca5"`
[INFO] running `"docker" "rm" "-f" "ee09a920f7f4607f1c26c694530302790fd9f384c119ac901c8c2725e5a20ca5"`
[INFO] [stdout] ee09a920f7f4607f1c26c694530302790fd9f384c119ac901c8c2725e5a20ca5