[INFO] updating cached repository vi/fusenbd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vi/fusenbd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vi/fusenbd" "work/ex/beta-1.38-1/sources/1.37.0/gh/vi/fusenbd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vi/fusenbd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vi/fusenbd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/fusenbd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/fusenbd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9d7a1c2e3f85bfb43c06c456a775350d5876995
[INFO] sha for GitHub repo vi/fusenbd: f9d7a1c2e3f85bfb43c06c456a775350d5876995
[INFO] validating manifest of vi/fusenbd 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 vi/fusenbd 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 vi/fusenbd
[INFO] finished frobbing vi/fusenbd
[INFO] frobbed toml for vi/fusenbd written to work/ex/beta-1.38-1/sources/1.37.0/gh/vi/fusenbd/Cargo.toml
[INFO] started frobbing vi/fusenbd
[INFO] finished frobbing vi/fusenbd
[INFO] frobbed toml for vi/fusenbd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/fusenbd/Cargo.toml
[INFO] crate vi/fusenbd 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 vi/fusenbd 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/vi/fusenbd:/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] 6abdea674771e098a60dd49d36aee06f23292b948b028b7c8906fa991d88eac4
[INFO] running `"docker" "start" "-a" "6abdea674771e098a60dd49d36aee06f23292b948b028b7c8906fa991d88eac4"`
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling nbd v0.2.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling readwriteseekfs v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling fusenbd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.37s
[INFO] running `"docker" "inspect" "6abdea674771e098a60dd49d36aee06f23292b948b028b7c8906fa991d88eac4"`
[INFO] running `"docker" "rm" "-f" "6abdea674771e098a60dd49d36aee06f23292b948b028b7c8906fa991d88eac4"`
[INFO] [stdout] 6abdea674771e098a60dd49d36aee06f23292b948b028b7c8906fa991d88eac4
[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/vi/fusenbd:/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] 1c872fbf4242b33a3ea8e717c09b28c74bfdaf53ceb67c0fcf4087ed1bf4dfd5
[INFO] running `"docker" "start" "-a" "1c872fbf4242b33a3ea8e717c09b28c74bfdaf53ceb67c0fcf4087ed1bf4dfd5"`
[INFO] [stderr]    Compiling fusenbd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "1c872fbf4242b33a3ea8e717c09b28c74bfdaf53ceb67c0fcf4087ed1bf4dfd5"`
[INFO] running `"docker" "rm" "-f" "1c872fbf4242b33a3ea8e717c09b28c74bfdaf53ceb67c0fcf4087ed1bf4dfd5"`
[INFO] [stdout] 1c872fbf4242b33a3ea8e717c09b28c74bfdaf53ceb67c0fcf4087ed1bf4dfd5
[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/vi/fusenbd:/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] 463c38d04c73c5eb0356b3d7c12f650843bc134464dc59000a1ff537c3b7c2a9
[INFO] running `"docker" "start" "-a" "463c38d04c73c5eb0356b3d7c12f650843bc134464dc59000a1ff537c3b7c2a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fusenbd-8ec4461b4585503e
[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" "463c38d04c73c5eb0356b3d7c12f650843bc134464dc59000a1ff537c3b7c2a9"`
[INFO] running `"docker" "rm" "-f" "463c38d04c73c5eb0356b3d7c12f650843bc134464dc59000a1ff537c3b7c2a9"`
[INFO] [stdout] 463c38d04c73c5eb0356b3d7c12f650843bc134464dc59000a1ff537c3b7c2a9