[INFO] updating cached repository asdofindia/rust_reverse_collatz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asdofindia/rust_reverse_collatz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asdofindia/rust_reverse_collatz" "work/ex/beta-1.37-6/sources/1.36.0/gh/asdofindia/rust_reverse_collatz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/asdofindia/rust_reverse_collatz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asdofindia/rust_reverse_collatz" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/asdofindia/rust_reverse_collatz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/asdofindia/rust_reverse_collatz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fcd113b09e6ba66ec6b45d14b18444edb414124
[INFO] sha for GitHub repo asdofindia/rust_reverse_collatz: 4fcd113b09e6ba66ec6b45d14b18444edb414124
[INFO] validating manifest of asdofindia/rust_reverse_collatz 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 asdofindia/rust_reverse_collatz 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 asdofindia/rust_reverse_collatz
[INFO] finished frobbing asdofindia/rust_reverse_collatz
[INFO] frobbed toml for asdofindia/rust_reverse_collatz written to work/ex/beta-1.37-6/sources/1.36.0/gh/asdofindia/rust_reverse_collatz/Cargo.toml
[INFO] started frobbing asdofindia/rust_reverse_collatz
[INFO] finished frobbing asdofindia/rust_reverse_collatz
[INFO] frobbed toml for asdofindia/rust_reverse_collatz written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/asdofindia/rust_reverse_collatz/Cargo.toml
[INFO] crate asdofindia/rust_reverse_collatz 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 asdofindia/rust_reverse_collatz 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-1/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/asdofindia/rust_reverse_collatz:/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] 266d62cee8eafb02ff272b3257c09d6e76703618d93dfb35273ef6968184c9ef
[INFO] running `"docker" "start" "-a" "266d62cee8eafb02ff272b3257c09d6e76703618d93dfb35273ef6968184c9ef"`
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling reverse_collatz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.92s
[INFO] running `"docker" "inspect" "266d62cee8eafb02ff272b3257c09d6e76703618d93dfb35273ef6968184c9ef"`
[INFO] running `"docker" "rm" "-f" "266d62cee8eafb02ff272b3257c09d6e76703618d93dfb35273ef6968184c9ef"`
[INFO] [stdout] 266d62cee8eafb02ff272b3257c09d6e76703618d93dfb35273ef6968184c9ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/asdofindia/rust_reverse_collatz:/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] aa251b2f96abc250339564fa48754ac1d3dbae2a702d46d11039fe0c6afa1272
[INFO] running `"docker" "start" "-a" "aa251b2f96abc250339564fa48754ac1d3dbae2a702d46d11039fe0c6afa1272"`
[INFO] [stderr]    Compiling reverse_collatz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "aa251b2f96abc250339564fa48754ac1d3dbae2a702d46d11039fe0c6afa1272"`
[INFO] running `"docker" "rm" "-f" "aa251b2f96abc250339564fa48754ac1d3dbae2a702d46d11039fe0c6afa1272"`
[INFO] [stdout] aa251b2f96abc250339564fa48754ac1d3dbae2a702d46d11039fe0c6afa1272
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/asdofindia/rust_reverse_collatz:/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] 79f7c06459ffd848c4724ebe264aa0bee570635131655b09b7b552cc18819853
[INFO] running `"docker" "start" "-a" "79f7c06459ffd848c4724ebe264aa0bee570635131655b09b7b552cc18819853"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reverse_collatz-d8c3a65306f0c2ef
[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" "79f7c06459ffd848c4724ebe264aa0bee570635131655b09b7b552cc18819853"`
[INFO] running `"docker" "rm" "-f" "79f7c06459ffd848c4724ebe264aa0bee570635131655b09b7b552cc18819853"`
[INFO] [stdout] 79f7c06459ffd848c4724ebe264aa0bee570635131655b09b7b552cc18819853