[INFO] updating cached repository drmikehenry/crates_popular
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drmikehenry/crates_popular
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drmikehenry/crates_popular" "work/ex/beta-1.38-1/sources/1.37.0/gh/drmikehenry/crates_popular"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drmikehenry/crates_popular'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drmikehenry/crates_popular" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drmikehenry/crates_popular"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drmikehenry/crates_popular'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f7d7c58ce445b902bfad324b45d997fcc4a1afd
[INFO] sha for GitHub repo drmikehenry/crates_popular: 1f7d7c58ce445b902bfad324b45d997fcc4a1afd
[INFO] validating manifest of drmikehenry/crates_popular on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of drmikehenry/crates_popular on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing drmikehenry/crates_popular
[INFO] finished frobbing drmikehenry/crates_popular
[INFO] frobbed toml for drmikehenry/crates_popular written to work/ex/beta-1.38-1/sources/1.37.0/gh/drmikehenry/crates_popular/Cargo.toml
[INFO] started frobbing drmikehenry/crates_popular
[INFO] finished frobbing drmikehenry/crates_popular
[INFO] frobbed toml for drmikehenry/crates_popular written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drmikehenry/crates_popular/Cargo.toml
[INFO] crate drmikehenry/crates_popular already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing drmikehenry/crates_popular against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drmikehenry/crates_popular:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3e682c657ccb5b69c1e2de0107df4b886954eb9b8fb035eefe55d7f9a70328d9
[INFO] running `"docker" "start" "-a" "3e682c657ccb5b69c1e2de0107df4b886954eb9b8fb035eefe55d7f9a70328d9"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling popular v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.24s
[INFO] running `"docker" "inspect" "3e682c657ccb5b69c1e2de0107df4b886954eb9b8fb035eefe55d7f9a70328d9"`
[INFO] running `"docker" "rm" "-f" "3e682c657ccb5b69c1e2de0107df4b886954eb9b8fb035eefe55d7f9a70328d9"`
[INFO] [stdout] 3e682c657ccb5b69c1e2de0107df4b886954eb9b8fb035eefe55d7f9a70328d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drmikehenry/crates_popular:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 192add8ece27ac041a627cbb00956e141b8ffd35475b194598107504d298d9dd
[INFO] running `"docker" "start" "-a" "192add8ece27ac041a627cbb00956e141b8ffd35475b194598107504d298d9dd"`
[INFO] [stderr]    Compiling popular v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "192add8ece27ac041a627cbb00956e141b8ffd35475b194598107504d298d9dd"`
[INFO] running `"docker" "rm" "-f" "192add8ece27ac041a627cbb00956e141b8ffd35475b194598107504d298d9dd"`
[INFO] [stdout] 192add8ece27ac041a627cbb00956e141b8ffd35475b194598107504d298d9dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drmikehenry/crates_popular:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9e560db18edfef5adcdb963596aa07464a6555667804f9d1efe395cb32354083
[INFO] running `"docker" "start" "-a" "9e560db18edfef5adcdb963596aa07464a6555667804f9d1efe395cb32354083"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/popular-85e73176817863a5
[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" "9e560db18edfef5adcdb963596aa07464a6555667804f9d1efe395cb32354083"`
[INFO] running `"docker" "rm" "-f" "9e560db18edfef5adcdb963596aa07464a6555667804f9d1efe395cb32354083"`
[INFO] [stdout] 9e560db18edfef5adcdb963596aa07464a6555667804f9d1efe395cb32354083