[INFO] crate nbd 0.2.1 is already in cache
[INFO] extracting crate nbd 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/nbd/0.2.1
[INFO] extracting crate nbd 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nbd/0.2.1
[INFO] validating manifest of nbd-0.2.1 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 nbd-0.2.1 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 nbd-0.2.1
[INFO] finished frobbing nbd-0.2.1
[INFO] frobbed toml for nbd-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nbd/0.2.1/Cargo.toml
[INFO] started frobbing nbd-0.2.1
[INFO] finished frobbing nbd-0.2.1
[INFO] frobbed toml for nbd-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nbd/0.2.1/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 nbd-0.2.1 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nbd/0.2.1:/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] 590b289eed6c31659fdc717f201d1bd4e268b264444f1892ca059f4e2f7afa99
[INFO] running `"docker" "start" "-a" "590b289eed6c31659fdc717f201d1bd4e268b264444f1892ca059f4e2f7afa99"`
[INFO] [stderr]    Compiling nbd v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "590b289eed6c31659fdc717f201d1bd4e268b264444f1892ca059f4e2f7afa99"`
[INFO] running `"docker" "rm" "-f" "590b289eed6c31659fdc717f201d1bd4e268b264444f1892ca059f4e2f7afa99"`
[INFO] [stdout] 590b289eed6c31659fdc717f201d1bd4e268b264444f1892ca059f4e2f7afa99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nbd/0.2.1:/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] 9b993f33f29e11dd95ad300c211c8fdc1030af2a35b8ba75a26a309d8634b86b
[INFO] running `"docker" "start" "-a" "9b993f33f29e11dd95ad300c211c8fdc1030af2a35b8ba75a26a309d8634b86b"`
[INFO] [stderr]    Compiling pipe v0.0.3
[INFO] [stderr]    Compiling readwrite v0.1.1
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling nbd v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.15s
[INFO] running `"docker" "inspect" "9b993f33f29e11dd95ad300c211c8fdc1030af2a35b8ba75a26a309d8634b86b"`
[INFO] running `"docker" "rm" "-f" "9b993f33f29e11dd95ad300c211c8fdc1030af2a35b8ba75a26a309d8634b86b"`
[INFO] [stdout] 9b993f33f29e11dd95ad300c211c8fdc1030af2a35b8ba75a26a309d8634b86b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nbd/0.2.1:/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] c77f97d644c318e6377e6ed71a7115776a3458cb27850771efe06b18abb51f19
[INFO] running `"docker" "start" "-a" "c77f97d644c318e6377e6ed71a7115776a3458cb27850771efe06b18abb51f19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nbd-4cb98a3a770a2de2
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fuzz-ea6e489bef3e173e
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fuzz ... ok
[INFO] [stderr]    Doc-tests nbd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c77f97d644c318e6377e6ed71a7115776a3458cb27850771efe06b18abb51f19"`
[INFO] running `"docker" "rm" "-f" "c77f97d644c318e6377e6ed71a7115776a3458cb27850771efe06b18abb51f19"`
[INFO] [stdout] c77f97d644c318e6377e6ed71a7115776a3458cb27850771efe06b18abb51f19