[INFO] updating cached repository luoq/rolling_line_count
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luoq/rolling_line_count
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luoq/rolling_line_count" "work/ex/beta-1.38-1/sources/1.37.0/gh/luoq/rolling_line_count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luoq/rolling_line_count'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luoq/rolling_line_count" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luoq/rolling_line_count"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luoq/rolling_line_count'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6e9ce101ba6d224c139d8b11fc068ef7bbd1ead
[INFO] sha for GitHub repo luoq/rolling_line_count: b6e9ce101ba6d224c139d8b11fc068ef7bbd1ead
[INFO] validating manifest of luoq/rolling_line_count 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 luoq/rolling_line_count 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 luoq/rolling_line_count
[INFO] finished frobbing luoq/rolling_line_count
[INFO] frobbed toml for luoq/rolling_line_count written to work/ex/beta-1.38-1/sources/1.37.0/gh/luoq/rolling_line_count/Cargo.toml
[INFO] started frobbing luoq/rolling_line_count
[INFO] finished frobbing luoq/rolling_line_count
[INFO] frobbed toml for luoq/rolling_line_count written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luoq/rolling_line_count/Cargo.toml
[INFO] crate luoq/rolling_line_count 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 luoq/rolling_line_count 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luoq/rolling_line_count:/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] 12ba0faf68341a19fdee2a9d3928bab7d35f847e63f1e0defaeed1ab30c35150
[INFO] running `"docker" "start" "-a" "12ba0faf68341a19fdee2a9d3928bab7d35f847e63f1e0defaeed1ab30c35150"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rolling_line_count v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `"docker" "inspect" "12ba0faf68341a19fdee2a9d3928bab7d35f847e63f1e0defaeed1ab30c35150"`
[INFO] running `"docker" "rm" "-f" "12ba0faf68341a19fdee2a9d3928bab7d35f847e63f1e0defaeed1ab30c35150"`
[INFO] [stdout] 12ba0faf68341a19fdee2a9d3928bab7d35f847e63f1e0defaeed1ab30c35150
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luoq/rolling_line_count:/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] f964b0776e22ecc21feeab4d78bb55c56e9cc4a1f8de01fe1c18d6d19f0e5905
[INFO] running `"docker" "start" "-a" "f964b0776e22ecc21feeab4d78bb55c56e9cc4a1f8de01fe1c18d6d19f0e5905"`
[INFO] [stderr]    Compiling rolling_line_count v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "f964b0776e22ecc21feeab4d78bb55c56e9cc4a1f8de01fe1c18d6d19f0e5905"`
[INFO] running `"docker" "rm" "-f" "f964b0776e22ecc21feeab4d78bb55c56e9cc4a1f8de01fe1c18d6d19f0e5905"`
[INFO] [stdout] f964b0776e22ecc21feeab4d78bb55c56e9cc4a1f8de01fe1c18d6d19f0e5905
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luoq/rolling_line_count:/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] 5c3598428dbe1d3469c8c035e78bc5b5d21f796b5bef47d8806f1200b90fb3d7
[INFO] running `"docker" "start" "-a" "5c3598428dbe1d3469c8c035e78bc5b5d21f796b5bef47d8806f1200b90fb3d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rolling_line_count-24bd1c3861d1aa1c
[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" "5c3598428dbe1d3469c8c035e78bc5b5d21f796b5bef47d8806f1200b90fb3d7"`
[INFO] running `"docker" "rm" "-f" "5c3598428dbe1d3469c8c035e78bc5b5d21f796b5bef47d8806f1200b90fb3d7"`
[INFO] [stdout] 5c3598428dbe1d3469c8c035e78bc5b5d21f796b5bef47d8806f1200b90fb3d7