[INFO] updating cached repository https://github.com/timglabisch/mysql_schema_change_rsu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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 beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Fmysql_schema_change_rsu" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timglabisch/mysql_schema_change_rsu on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-5/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 `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 8fad9df0eff610e224e4f0b3dab98c9b4518bc75f1f5ab5f9e95f82f2b4d6278
[INFO] running `"docker" "start" "-a" "8fad9df0eff610e224e4f0b3dab98c9b4518bc75f1f5ab5f9e95f82f2b4d6278"`
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling rand v0.3.17
[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 aho-corasick v0.6.3
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling clap v2.27.1
[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 22.55s
[INFO] running `"docker" "inspect" "8fad9df0eff610e224e4f0b3dab98c9b4518bc75f1f5ab5f9e95f82f2b4d6278"`
[INFO] running `"docker" "rm" "-f" "8fad9df0eff610e224e4f0b3dab98c9b4518bc75f1f5ab5f9e95f82f2b4d6278"`
[INFO] [stdout] 8fad9df0eff610e224e4f0b3dab98c9b4518bc75f1f5ab5f9e95f82f2b4d6278
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9f674181c9a296ec13e09e1283192f89490c4ce63b0460b60d78f4604746e3cc
[INFO] running `"docker" "start" "-a" "9f674181c9a296ec13e09e1283192f89490c4ce63b0460b60d78f4604746e3cc"`
[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 1.02s
[INFO] running `"docker" "inspect" "9f674181c9a296ec13e09e1283192f89490c4ce63b0460b60d78f4604746e3cc"`
[INFO] running `"docker" "rm" "-f" "9f674181c9a296ec13e09e1283192f89490c4ce63b0460b60d78f4604746e3cc"`
[INFO] [stdout] 9f674181c9a296ec13e09e1283192f89490c4ce63b0460b60d78f4604746e3cc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 203b15200a23eafc41b934df3769cf1f87e1f2d866713451d5c8b023715f57db
[INFO] running `"docker" "start" "-a" "203b15200a23eafc41b934df3769cf1f87e1f2d866713451d5c8b023715f57db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mysql_schema_change_rsu-f960588674da2f38
[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" "203b15200a23eafc41b934df3769cf1f87e1f2d866713451d5c8b023715f57db"`
[INFO] running `"docker" "rm" "-f" "203b15200a23eafc41b934df3769cf1f87e1f2d866713451d5c8b023715f57db"`
[INFO] [stdout] 203b15200a23eafc41b934df3769cf1f87e1f2d866713451d5c8b023715f57db