[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-1.38-1/sources/1.37.0/gh/VRaj23/race-to-100"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VRaj23/race-to-100'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VRaj23/race-to-100" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VRaj23/race-to-100"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VRaj23/race-to-100 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 VRaj23/race-to-100
[INFO] finished frobbing VRaj23/race-to-100
[INFO] frobbed toml for VRaj23/race-to-100 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing VRaj23/race-to-100 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-3/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6601f4a2e0ab192714ace6b783ff1355d569969f8d6f4c8c0e082dba7526395c
[INFO] running `"docker" "start" "-a" "6601f4a2e0ab192714ace6b783ff1355d569969f8d6f4c8c0e082dba7526395c"`
[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 4.10s
[INFO] running `"docker" "inspect" "6601f4a2e0ab192714ace6b783ff1355d569969f8d6f4c8c0e082dba7526395c"`
[INFO] running `"docker" "rm" "-f" "6601f4a2e0ab192714ace6b783ff1355d569969f8d6f4c8c0e082dba7526395c"`
[INFO] [stdout] 6601f4a2e0ab192714ace6b783ff1355d569969f8d6f4c8c0e082dba7526395c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cf793c3950ad3a7b0ef7c8122e3f50c59aa0db8d20b14b29521265d37a1a11ce
[INFO] running `"docker" "start" "-a" "cf793c3950ad3a7b0ef7c8122e3f50c59aa0db8d20b14b29521265d37a1a11ce"`
[INFO] [stderr]    Compiling race_to_100 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "cf793c3950ad3a7b0ef7c8122e3f50c59aa0db8d20b14b29521265d37a1a11ce"`
[INFO] running `"docker" "rm" "-f" "cf793c3950ad3a7b0ef7c8122e3f50c59aa0db8d20b14b29521265d37a1a11ce"`
[INFO] [stdout] cf793c3950ad3a7b0ef7c8122e3f50c59aa0db8d20b14b29521265d37a1a11ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 555761050c6241d219d4792e7ddfe6c8549ac075a8aa96fe8fc7202a21daa8a8
[INFO] running `"docker" "start" "-a" "555761050c6241d219d4792e7ddfe6c8549ac075a8aa96fe8fc7202a21daa8a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/race_to_100-b41be796e33a4638
[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" "555761050c6241d219d4792e7ddfe6c8549ac075a8aa96fe8fc7202a21daa8a8"`
[INFO] running `"docker" "rm" "-f" "555761050c6241d219d4792e7ddfe6c8549ac075a8aa96fe8fc7202a21daa8a8"`
[INFO] [stdout] 555761050c6241d219d4792e7ddfe6c8549ac075a8aa96fe8fc7202a21daa8a8