[INFO] updating cached repository twetzel59/scaling_study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/twetzel59/scaling_study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/twetzel59/scaling_study" "work/ex/beta-1.38-1/sources/1.37.0/gh/twetzel59/scaling_study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/twetzel59/scaling_study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/twetzel59/scaling_study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/scaling_study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/scaling_study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51ea9fe4ca77a376ccff9b50c89fd94fc7dc11e8
[INFO] sha for GitHub repo twetzel59/scaling_study: 51ea9fe4ca77a376ccff9b50c89fd94fc7dc11e8
[INFO] validating manifest of twetzel59/scaling_study 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 twetzel59/scaling_study 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 twetzel59/scaling_study
[INFO] finished frobbing twetzel59/scaling_study
[INFO] frobbed toml for twetzel59/scaling_study written to work/ex/beta-1.38-1/sources/1.37.0/gh/twetzel59/scaling_study/Cargo.toml
[INFO] started frobbing twetzel59/scaling_study
[INFO] finished frobbing twetzel59/scaling_study
[INFO] frobbed toml for twetzel59/scaling_study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/scaling_study/Cargo.toml
[INFO] crate twetzel59/scaling_study 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 twetzel59/scaling_study against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/scaling_study:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 28e50463fe411dc4c84d145ce8dac06805a2b843a9cf286f5df230f78070ebb9
[INFO] running `"docker" "start" "-a" "28e50463fe411dc4c84d145ce8dac06805a2b843a9cf286f5df230f78070ebb9"`
[INFO] [stderr]    Compiling scaling_study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "28e50463fe411dc4c84d145ce8dac06805a2b843a9cf286f5df230f78070ebb9"`
[INFO] running `"docker" "rm" "-f" "28e50463fe411dc4c84d145ce8dac06805a2b843a9cf286f5df230f78070ebb9"`
[INFO] [stdout] 28e50463fe411dc4c84d145ce8dac06805a2b843a9cf286f5df230f78070ebb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/scaling_study:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 85330383e0d6850140ec8635dbd6f3a1cdfc923debfba5893f3ad52a99d9803c
[INFO] running `"docker" "start" "-a" "85330383e0d6850140ec8635dbd6f3a1cdfc923debfba5893f3ad52a99d9803c"`
[INFO] [stderr]    Compiling scaling_study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "85330383e0d6850140ec8635dbd6f3a1cdfc923debfba5893f3ad52a99d9803c"`
[INFO] running `"docker" "rm" "-f" "85330383e0d6850140ec8635dbd6f3a1cdfc923debfba5893f3ad52a99d9803c"`
[INFO] [stdout] 85330383e0d6850140ec8635dbd6f3a1cdfc923debfba5893f3ad52a99d9803c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twetzel59/scaling_study:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e95e875c30c0092c58cb4886a0e333da1a9f6a2a083b0062c886e78ae804aea4
[INFO] running `"docker" "start" "-a" "e95e875c30c0092c58cb4886a0e333da1a9f6a2a083b0062c886e78ae804aea4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scaling_study-3e4cfeb46cd9bed9
[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" "e95e875c30c0092c58cb4886a0e333da1a9f6a2a083b0062c886e78ae804aea4"`
[INFO] running `"docker" "rm" "-f" "e95e875c30c0092c58cb4886a0e333da1a9f6a2a083b0062c886e78ae804aea4"`
[INFO] [stdout] e95e875c30c0092c58cb4886a0e333da1a9f6a2a083b0062c886e78ae804aea4