[INFO] crate prand 1.0.0 is already in cache
[INFO] extracting crate prand 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/prand/1.0.0
[INFO] extracting crate prand 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prand/1.0.0
[INFO] validating manifest of prand-1.0.0 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 prand-1.0.0 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 prand-1.0.0
[INFO] finished frobbing prand-1.0.0
[INFO] frobbed toml for prand-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/prand/1.0.0/Cargo.toml
[INFO] started frobbing prand-1.0.0
[INFO] finished frobbing prand-1.0.0
[INFO] frobbed toml for prand-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prand/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 prand-1.0.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/prand/1.0.0:/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] 14fc9725335049a11a75d0c70caff663be414162c22ba084c9b7a01432dccc58
[INFO] running `"docker" "start" "-a" "14fc9725335049a11a75d0c70caff663be414162c22ba084c9b7a01432dccc58"`
[INFO] [stderr]    Compiling prand v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "14fc9725335049a11a75d0c70caff663be414162c22ba084c9b7a01432dccc58"`
[INFO] running `"docker" "rm" "-f" "14fc9725335049a11a75d0c70caff663be414162c22ba084c9b7a01432dccc58"`
[INFO] [stdout] 14fc9725335049a11a75d0c70caff663be414162c22ba084c9b7a01432dccc58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/prand/1.0.0:/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] 1e8dccfee5bdea59c2bf203a687ff07d6d7ffe3c4554ed2b3ef1e604fc83c2ed
[INFO] running `"docker" "start" "-a" "1e8dccfee5bdea59c2bf203a687ff07d6d7ffe3c4554ed2b3ef1e604fc83c2ed"`
[INFO] [stderr]    Compiling prand v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "1e8dccfee5bdea59c2bf203a687ff07d6d7ffe3c4554ed2b3ef1e604fc83c2ed"`
[INFO] running `"docker" "rm" "-f" "1e8dccfee5bdea59c2bf203a687ff07d6d7ffe3c4554ed2b3ef1e604fc83c2ed"`
[INFO] [stdout] 1e8dccfee5bdea59c2bf203a687ff07d6d7ffe3c4554ed2b3ef1e604fc83c2ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/prand/1.0.0:/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] 47789f3f60a3bea362eeda3fb5cbbe70a5b1e3224c09648dd257941af921a67c
[INFO] running `"docker" "start" "-a" "47789f3f60a3bea362eeda3fb5cbbe70a5b1e3224c09648dd257941af921a67c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prand-9f0252fe1f2bd008
[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" "47789f3f60a3bea362eeda3fb5cbbe70a5b1e3224c09648dd257941af921a67c"`
[INFO] running `"docker" "rm" "-f" "47789f3f60a3bea362eeda3fb5cbbe70a5b1e3224c09648dd257941af921a67c"`
[INFO] [stdout] 47789f3f60a3bea362eeda3fb5cbbe70a5b1e3224c09648dd257941af921a67c