[INFO] crate best 0.13.0 is already in cache
[INFO] testing best-0.13.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate best 0.13.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate best 0.13.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate best 0.13.0
[INFO] finished tweaking crates.io crate best 0.13.0
[INFO] tweaked toml for crates.io crate best 0.13.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7d0435f7f308b66438b7c4a7f42c46fd0f4b2345928e9092e8518f4889c07ec0
[INFO] running `"docker" "start" "-a" "7d0435f7f308b66438b7c4a7f42c46fd0f4b2345928e9092e8518f4889c07ec0"`
[INFO] [stderr]    Compiling best v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "7d0435f7f308b66438b7c4a7f42c46fd0f4b2345928e9092e8518f4889c07ec0"`
[INFO] running `"docker" "rm" "-f" "7d0435f7f308b66438b7c4a7f42c46fd0f4b2345928e9092e8518f4889c07ec0"`
[INFO] [stdout] 7d0435f7f308b66438b7c4a7f42c46fd0f4b2345928e9092e8518f4889c07ec0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6bbe8675785fee6c65b240aa25a222efb19f7df38f784916b5a6944bb693b989
[INFO] running `"docker" "start" "-a" "6bbe8675785fee6c65b240aa25a222efb19f7df38f784916b5a6944bb693b989"`
[INFO] [stderr]    Compiling best v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "6bbe8675785fee6c65b240aa25a222efb19f7df38f784916b5a6944bb693b989"`
[INFO] running `"docker" "rm" "-f" "6bbe8675785fee6c65b240aa25a222efb19f7df38f784916b5a6944bb693b989"`
[INFO] [stdout] 6bbe8675785fee6c65b240aa25a222efb19f7df38f784916b5a6944bb693b989
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 15646f48ebdfbfbbf171345865a9e179aa58d27707138db64d20547425db640b
[INFO] running `"docker" "start" "-a" "15646f48ebdfbfbbf171345865a9e179aa58d27707138db64d20547425db640b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/best-ff578557d70ca743
[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] [stderr]    Doc-tests best
[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" "15646f48ebdfbfbbf171345865a9e179aa58d27707138db64d20547425db640b"`
[INFO] running `"docker" "rm" "-f" "15646f48ebdfbfbbf171345865a9e179aa58d27707138db64d20547425db640b"`
[INFO] [stdout] 15646f48ebdfbfbbf171345865a9e179aa58d27707138db64d20547425db640b