[INFO] updating cached repository vi/nbdserve
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vi/nbdserve
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vi/nbdserve" "work/ex/beta-1.38-1/sources/1.37.0/gh/vi/nbdserve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vi/nbdserve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vi/nbdserve" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/nbdserve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/nbdserve'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4df3b0081626d9ed174aabad02b27dc2e9055ae5
[INFO] sha for GitHub repo vi/nbdserve: 4df3b0081626d9ed174aabad02b27dc2e9055ae5
[INFO] validating manifest of vi/nbdserve 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/nbdserve 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/nbdserve
[INFO] finished frobbing vi/nbdserve
[INFO] frobbed toml for vi/nbdserve written to work/ex/beta-1.38-1/sources/1.37.0/gh/vi/nbdserve/Cargo.toml
[INFO] started frobbing vi/nbdserve
[INFO] finished frobbing vi/nbdserve
[INFO] frobbed toml for vi/nbdserve written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/nbdserve/Cargo.toml
[INFO] crate vi/nbdserve 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/nbdserve 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/nbdserve:/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] 0c3dee7145ee38033519f3b70a52d0bbc881636907423b5a785a23b4cb2f21ff
[INFO] running `"docker" "start" "-a" "0c3dee7145ee38033519f3b70a52d0bbc881636907423b5a785a23b4cb2f21ff"`
[INFO] [stderr]    Compiling bufstream v0.1.3
[INFO] [stderr]    Compiling nbd v0.1.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling nbdserve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let stderr: Box<::std::error::Error + Send + Sync> = s.into();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.40s
[INFO] running `"docker" "inspect" "0c3dee7145ee38033519f3b70a52d0bbc881636907423b5a785a23b4cb2f21ff"`
[INFO] running `"docker" "rm" "-f" "0c3dee7145ee38033519f3b70a52d0bbc881636907423b5a785a23b4cb2f21ff"`
[INFO] [stdout] 0c3dee7145ee38033519f3b70a52d0bbc881636907423b5a785a23b4cb2f21ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/nbdserve:/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] 2afa969d188c589f05780ba99fc1d0fc1e1716de4642c57b22a30095dd1261ac
[INFO] running `"docker" "start" "-a" "2afa969d188c589f05780ba99fc1d0fc1e1716de4642c57b22a30095dd1261ac"`
[INFO] [stderr]    Compiling nbdserve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let stderr: Box<::std::error::Error + Send + Sync> = s.into();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "2afa969d188c589f05780ba99fc1d0fc1e1716de4642c57b22a30095dd1261ac"`
[INFO] running `"docker" "rm" "-f" "2afa969d188c589f05780ba99fc1d0fc1e1716de4642c57b22a30095dd1261ac"`
[INFO] [stdout] 2afa969d188c589f05780ba99fc1d0fc1e1716de4642c57b22a30095dd1261ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vi/nbdserve:/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] 7bfbcfdf1753a071d9d797a73bbedba20ba97d89d992ad64067c75a09bd52630
[INFO] running `"docker" "start" "-a" "7bfbcfdf1753a071d9d797a73bbedba20ba97d89d992ad64067c75a09bd52630"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nbdserve-5acdeb0664f10fcd
[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" "7bfbcfdf1753a071d9d797a73bbedba20ba97d89d992ad64067c75a09bd52630"`
[INFO] running `"docker" "rm" "-f" "7bfbcfdf1753a071d9d797a73bbedba20ba97d89d992ad64067c75a09bd52630"`
[INFO] [stdout] 7bfbcfdf1753a071d9d797a73bbedba20ba97d89d992ad64067c75a09bd52630