[INFO] updating cached repository DenialAdams/prng_shootout
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DenialAdams/prng_shootout
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DenialAdams/prng_shootout" "work/ex/beta-1.37-6/sources/1.36.0/gh/DenialAdams/prng_shootout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/DenialAdams/prng_shootout'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DenialAdams/prng_shootout" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DenialAdams/prng_shootout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DenialAdams/prng_shootout'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 621c5a1f2d974defeee19881486acbe9aec81761
[INFO] sha for GitHub repo DenialAdams/prng_shootout: 621c5a1f2d974defeee19881486acbe9aec81761
[INFO] validating manifest of DenialAdams/prng_shootout 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 DenialAdams/prng_shootout 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 DenialAdams/prng_shootout
[INFO] finished frobbing DenialAdams/prng_shootout
[INFO] frobbed toml for DenialAdams/prng_shootout written to work/ex/beta-1.37-6/sources/1.36.0/gh/DenialAdams/prng_shootout/Cargo.toml
[INFO] started frobbing DenialAdams/prng_shootout
[INFO] finished frobbing DenialAdams/prng_shootout
[INFO] frobbed toml for DenialAdams/prng_shootout written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DenialAdams/prng_shootout/Cargo.toml
[INFO] crate DenialAdams/prng_shootout 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 DenialAdams/prng_shootout 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-7/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/DenialAdams/prng_shootout:/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] e6dbbd57fdf89a217106104ec63822e514b3728e3768e57db6858686f35ea939
[INFO] running `"docker" "start" "-a" "e6dbbd57fdf89a217106104ec63822e514b3728e3768e57db6858686f35ea939"`
[INFO] [stderr]    Compiling prng_shootout v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `dilbert`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn dilbert() -> u64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "e6dbbd57fdf89a217106104ec63822e514b3728e3768e57db6858686f35ea939"`
[INFO] running `"docker" "rm" "-f" "e6dbbd57fdf89a217106104ec63822e514b3728e3768e57db6858686f35ea939"`
[INFO] [stdout] e6dbbd57fdf89a217106104ec63822e514b3728e3768e57db6858686f35ea939
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/DenialAdams/prng_shootout:/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] 08c3fcc5fd375308bb0d660593159c0d512388fa015b1fc3d39aaf3f61173ce2
[INFO] running `"docker" "start" "-a" "08c3fcc5fd375308bb0d660593159c0d512388fa015b1fc3d39aaf3f61173ce2"`
[INFO] [stderr]    Compiling prng_shootout v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `dilbert`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn dilbert() -> u64 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "08c3fcc5fd375308bb0d660593159c0d512388fa015b1fc3d39aaf3f61173ce2"`
[INFO] running `"docker" "rm" "-f" "08c3fcc5fd375308bb0d660593159c0d512388fa015b1fc3d39aaf3f61173ce2"`
[INFO] [stdout] 08c3fcc5fd375308bb0d660593159c0d512388fa015b1fc3d39aaf3f61173ce2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/DenialAdams/prng_shootout:/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] 43e4c87eb04d9d3e0c64445449f605c34fffa517bea3c0e3369ab88bc89547ea
[INFO] running `"docker" "start" "-a" "43e4c87eb04d9d3e0c64445449f605c34fffa517bea3c0e3369ab88bc89547ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prng_shootout-ba156bede8041d05
[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" "43e4c87eb04d9d3e0c64445449f605c34fffa517bea3c0e3369ab88bc89547ea"`
[INFO] running `"docker" "rm" "-f" "43e4c87eb04d9d3e0c64445449f605c34fffa517bea3c0e3369ab88bc89547ea"`
[INFO] [stdout] 43e4c87eb04d9d3e0c64445449f605c34fffa517bea3c0e3369ab88bc89547ea