[INFO] updating cached repository VRaj23/race-to-100
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VRaj23/race-to-100
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VRaj23/race-to-100" "work/ex/beta-1.37-6/sources/1.36.0/gh/VRaj23/race-to-100"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/VRaj23/race-to-100'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VRaj23/race-to-100" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VRaj23/race-to-100"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VRaj23/race-to-100'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d6807854c4545ba5c8c962ac6f5b35e3c48c0e6
[INFO] sha for GitHub repo VRaj23/race-to-100: 5d6807854c4545ba5c8c962ac6f5b35e3c48c0e6
[INFO] validating manifest of VRaj23/race-to-100 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VRaj23/race-to-100 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VRaj23/race-to-100
[INFO] finished frobbing VRaj23/race-to-100
[INFO] frobbed toml for VRaj23/race-to-100 written to work/ex/beta-1.37-6/sources/1.36.0/gh/VRaj23/race-to-100/Cargo.toml
[INFO] started frobbing VRaj23/race-to-100
[INFO] finished frobbing VRaj23/race-to-100
[INFO] frobbed toml for VRaj23/race-to-100 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VRaj23/race-to-100/Cargo.toml
[INFO] crate VRaj23/race-to-100 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing VRaj23/race-to-100 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VRaj23/race-to-100:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 1e0ab02ddafeda1e858389751500ce971b7f6fcc146b3d044f3392eee6daf40a
[INFO] running `"docker" "start" "-a" "1e0ab02ddafeda1e858389751500ce971b7f6fcc146b3d044f3392eee6daf40a"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling race_to_100 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "1e0ab02ddafeda1e858389751500ce971b7f6fcc146b3d044f3392eee6daf40a"`
[INFO] running `"docker" "rm" "-f" "1e0ab02ddafeda1e858389751500ce971b7f6fcc146b3d044f3392eee6daf40a"`
[INFO] [stdout] 1e0ab02ddafeda1e858389751500ce971b7f6fcc146b3d044f3392eee6daf40a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VRaj23/race-to-100:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ef3ac28c619fe2a12e907f84a91e4f96f8471cce80b9f4957aa32e673eec5075
[INFO] running `"docker" "start" "-a" "ef3ac28c619fe2a12e907f84a91e4f96f8471cce80b9f4957aa32e673eec5075"`
[INFO] [stderr]    Compiling race_to_100 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "ef3ac28c619fe2a12e907f84a91e4f96f8471cce80b9f4957aa32e673eec5075"`
[INFO] running `"docker" "rm" "-f" "ef3ac28c619fe2a12e907f84a91e4f96f8471cce80b9f4957aa32e673eec5075"`
[INFO] [stdout] ef3ac28c619fe2a12e907f84a91e4f96f8471cce80b9f4957aa32e673eec5075
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VRaj23/race-to-100:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cf3d3d645437e5e7ee70f52e13291a4958cb91880cfb760d287a6b72334b726e
[INFO] running `"docker" "start" "-a" "cf3d3d645437e5e7ee70f52e13291a4958cb91880cfb760d287a6b72334b726e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/race_to_100-674975faadc72b2f
[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" "cf3d3d645437e5e7ee70f52e13291a4958cb91880cfb760d287a6b72334b726e"`
[INFO] running `"docker" "rm" "-f" "cf3d3d645437e5e7ee70f52e13291a4958cb91880cfb760d287a6b72334b726e"`
[INFO] [stdout] cf3d3d645437e5e7ee70f52e13291a4958cb91880cfb760d287a6b72334b726e