[INFO] updating cached repository brandon-atkinson/randstr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brandon-atkinson/randstr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brandon-atkinson/randstr" "work/ex/beta-1.38-1/sources/1.37.0/gh/brandon-atkinson/randstr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brandon-atkinson/randstr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brandon-atkinson/randstr" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brandon-atkinson/randstr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brandon-atkinson/randstr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9f66245e663388141fe0accbd2eda4e449f35e8
[INFO] sha for GitHub repo brandon-atkinson/randstr: d9f66245e663388141fe0accbd2eda4e449f35e8
[INFO] validating manifest of brandon-atkinson/randstr 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 brandon-atkinson/randstr 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 brandon-atkinson/randstr
[INFO] finished frobbing brandon-atkinson/randstr
[INFO] frobbed toml for brandon-atkinson/randstr written to work/ex/beta-1.38-1/sources/1.37.0/gh/brandon-atkinson/randstr/Cargo.toml
[INFO] started frobbing brandon-atkinson/randstr
[INFO] finished frobbing brandon-atkinson/randstr
[INFO] frobbed toml for brandon-atkinson/randstr written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brandon-atkinson/randstr/Cargo.toml
[INFO] crate brandon-atkinson/randstr 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 brandon-atkinson/randstr against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brandon-atkinson/randstr:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3a9d05ebd74f4c57d53add504a9129a756f055c95f2024d8e0330d9759df365a
[INFO] running `"docker" "start" "-a" "3a9d05ebd74f4c57d53add504a9129a756f055c95f2024d8e0330d9759df365a"`
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]    Compiling rand_os v0.1.0
[INFO] [stderr]    Compiling randstr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `"docker" "inspect" "3a9d05ebd74f4c57d53add504a9129a756f055c95f2024d8e0330d9759df365a"`
[INFO] running `"docker" "rm" "-f" "3a9d05ebd74f4c57d53add504a9129a756f055c95f2024d8e0330d9759df365a"`
[INFO] [stdout] 3a9d05ebd74f4c57d53add504a9129a756f055c95f2024d8e0330d9759df365a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brandon-atkinson/randstr:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] eee61ca55052198b7292bfe1e3380637d3510e80258581700f296db915460891
[INFO] running `"docker" "start" "-a" "eee61ca55052198b7292bfe1e3380637d3510e80258581700f296db915460891"`
[INFO] [stderr]    Compiling randstr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "eee61ca55052198b7292bfe1e3380637d3510e80258581700f296db915460891"`
[INFO] running `"docker" "rm" "-f" "eee61ca55052198b7292bfe1e3380637d3510e80258581700f296db915460891"`
[INFO] [stdout] eee61ca55052198b7292bfe1e3380637d3510e80258581700f296db915460891
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brandon-atkinson/randstr:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f0db337d793a206c724d36f9f2356009172bc0b78d5ed2bbdd8e0a28c7ab3a33
[INFO] running `"docker" "start" "-a" "f0db337d793a206c724d36f9f2356009172bc0b78d5ed2bbdd8e0a28c7ab3a33"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/randstr-8e14aace9355a118
[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] [stderr]      Running /opt/crater/target/debug/deps/randstr-72b89e5d6374d4fb
[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] [stderr]    Doc-tests randstr
[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" "f0db337d793a206c724d36f9f2356009172bc0b78d5ed2bbdd8e0a28c7ab3a33"`
[INFO] running `"docker" "rm" "-f" "f0db337d793a206c724d36f9f2356009172bc0b78d5ed2bbdd8e0a28c7ab3a33"`
[INFO] [stdout] f0db337d793a206c724d36f9f2356009172bc0b78d5ed2bbdd8e0a28c7ab3a33