[INFO] crate happiness_cli 0.1.31 is already in cache
[INFO] testing happiness_cli-0.1.31 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate happiness_cli 0.1.31 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate happiness_cli 0.1.31 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 crates.io crate happiness_cli 0.1.31
[INFO] finished tweaking crates.io crate happiness_cli 0.1.31
[INFO] tweaked toml for crates.io crate happiness_cli 0.1.31 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 717d97900e8bfeea4cbe11587e5d01b9f7a8ff4cd8ff4bf884c1eb40b9e186a3
[INFO] running `"docker" "start" "-a" "717d97900e8bfeea4cbe11587e5d01b9f7a8ff4cd8ff4bf884c1eb40b9e186a3"`
[INFO] [stderr]    Compiling happiness_cli v0.1.31 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:291:2
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fs::create_dir("./data_happiness");
[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 1.63s
[INFO] running `"docker" "inspect" "717d97900e8bfeea4cbe11587e5d01b9f7a8ff4cd8ff4bf884c1eb40b9e186a3"`
[INFO] running `"docker" "rm" "-f" "717d97900e8bfeea4cbe11587e5d01b9f7a8ff4cd8ff4bf884c1eb40b9e186a3"`
[INFO] [stdout] 717d97900e8bfeea4cbe11587e5d01b9f7a8ff4cd8ff4bf884c1eb40b9e186a3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] b8696416acc5c4f5ebdc12342de17889281254f37ccd9612dd50fda783b3bd65
[INFO] running `"docker" "start" "-a" "b8696416acc5c4f5ebdc12342de17889281254f37ccd9612dd50fda783b3bd65"`
[INFO] [stderr]    Compiling happiness_cli v0.1.31 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:291:2
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fs::create_dir("./data_happiness");
[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 1.41s
[INFO] running `"docker" "inspect" "b8696416acc5c4f5ebdc12342de17889281254f37ccd9612dd50fda783b3bd65"`
[INFO] running `"docker" "rm" "-f" "b8696416acc5c4f5ebdc12342de17889281254f37ccd9612dd50fda783b3bd65"`
[INFO] [stdout] b8696416acc5c4f5ebdc12342de17889281254f37ccd9612dd50fda783b3bd65
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 82dcd6786842181b4c3b74ca8eda7fb421d4723d877be75e61b3b5a64207ed04
[INFO] running `"docker" "start" "-a" "82dcd6786842181b4c3b74ca8eda7fb421d4723d877be75e61b3b5a64207ed04"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/happiness_cli-02fcafb7935c4667
[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" "82dcd6786842181b4c3b74ca8eda7fb421d4723d877be75e61b3b5a64207ed04"`
[INFO] running `"docker" "rm" "-f" "82dcd6786842181b4c3b74ca8eda7fb421d4723d877be75e61b3b5a64207ed04"`
[INFO] [stdout] 82dcd6786842181b4c3b74ca8eda7fb421d4723d877be75e61b3b5a64207ed04