[INFO] updating cached repository algor1th/collatz-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/algor1th/collatz-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/algor1th/collatz-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/algor1th/collatz-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/algor1th/collatz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/algor1th/collatz-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/algor1th/collatz-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/algor1th/collatz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0de48bec96b80d1752f9783cf1965590630cf97
[INFO] sha for GitHub repo algor1th/collatz-rs: e0de48bec96b80d1752f9783cf1965590630cf97
[INFO] validating manifest of algor1th/collatz-rs 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 algor1th/collatz-rs 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 algor1th/collatz-rs
[INFO] finished frobbing algor1th/collatz-rs
[INFO] frobbed toml for algor1th/collatz-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/algor1th/collatz-rs/Cargo.toml
[INFO] started frobbing algor1th/collatz-rs
[INFO] finished frobbing algor1th/collatz-rs
[INFO] frobbed toml for algor1th/collatz-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/algor1th/collatz-rs/Cargo.toml
[INFO] crate algor1th/collatz-rs 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 algor1th/collatz-rs 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-6/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/algor1th/collatz-rs:/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] 1550d60a63eaa98760483f634d509253f7f8acbdcdc1037bfd13aec7e729ea70
[INFO] running `"docker" "start" "-a" "1550d60a63eaa98760483f634d509253f7f8acbdcdc1037bfd13aec7e729ea70"`
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling collatz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `"docker" "inspect" "1550d60a63eaa98760483f634d509253f7f8acbdcdc1037bfd13aec7e729ea70"`
[INFO] running `"docker" "rm" "-f" "1550d60a63eaa98760483f634d509253f7f8acbdcdc1037bfd13aec7e729ea70"`
[INFO] [stdout] 1550d60a63eaa98760483f634d509253f7f8acbdcdc1037bfd13aec7e729ea70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/algor1th/collatz-rs:/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] 9b5b4df63aef940af1b4bb6ff1b894340e67853b62060308a34216de2e768ac3
[INFO] running `"docker" "start" "-a" "9b5b4df63aef940af1b4bb6ff1b894340e67853b62060308a34216de2e768ac3"`
[INFO] [stderr]    Compiling collatz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "9b5b4df63aef940af1b4bb6ff1b894340e67853b62060308a34216de2e768ac3"`
[INFO] running `"docker" "rm" "-f" "9b5b4df63aef940af1b4bb6ff1b894340e67853b62060308a34216de2e768ac3"`
[INFO] [stdout] 9b5b4df63aef940af1b4bb6ff1b894340e67853b62060308a34216de2e768ac3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/algor1th/collatz-rs:/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] 7950bfdc470f6c9e315a8c6549739b52f15f06860818a665163715b68c161468
[INFO] running `"docker" "start" "-a" "7950bfdc470f6c9e315a8c6549739b52f15f06860818a665163715b68c161468"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collatz_rs-b00c7b4192cb4657
[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" "7950bfdc470f6c9e315a8c6549739b52f15f06860818a665163715b68c161468"`
[INFO] running `"docker" "rm" "-f" "7950bfdc470f6c9e315a8c6549739b52f15f06860818a665163715b68c161468"`
[INFO] [stdout] 7950bfdc470f6c9e315a8c6549739b52f15f06860818a665163715b68c161468