[INFO] updating cached repository korpiq/datafaser-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/korpiq/datafaser-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/korpiq/datafaser-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/korpiq/datafaser-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/korpiq/datafaser-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/korpiq/datafaser-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/korpiq/datafaser-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/korpiq/datafaser-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2d4261773f864b39fe129957752937931e293fe
[INFO] sha for GitHub repo korpiq/datafaser-rust: a2d4261773f864b39fe129957752937931e293fe
[INFO] validating manifest of korpiq/datafaser-rust 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 korpiq/datafaser-rust 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 korpiq/datafaser-rust
[INFO] finished frobbing korpiq/datafaser-rust
[INFO] frobbed toml for korpiq/datafaser-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/korpiq/datafaser-rust/Cargo.toml
[INFO] started frobbing korpiq/datafaser-rust
[INFO] finished frobbing korpiq/datafaser-rust
[INFO] frobbed toml for korpiq/datafaser-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/korpiq/datafaser-rust/Cargo.toml
[INFO] crate korpiq/datafaser-rust 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 korpiq/datafaser-rust 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/korpiq/datafaser-rust:/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] 475502467b43cfb2f9590683ec19e7cc535d46037af3b13ecbdf5a82899d610a
[INFO] running `"docker" "start" "-a" "475502467b43cfb2f9590683ec19e7cc535d46037af3b13ecbdf5a82899d610a"`
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling datafaser-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::marker::PhantomData; // https://serde.rs/deserialize-map.html
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `"docker" "inspect" "475502467b43cfb2f9590683ec19e7cc535d46037af3b13ecbdf5a82899d610a"`
[INFO] running `"docker" "rm" "-f" "475502467b43cfb2f9590683ec19e7cc535d46037af3b13ecbdf5a82899d610a"`
[INFO] [stdout] 475502467b43cfb2f9590683ec19e7cc535d46037af3b13ecbdf5a82899d610a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/korpiq/datafaser-rust:/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] a7cd2a055230e867c82c706af5aa9c8302efbcfd952a2e47dc97927ce80cc262
[INFO] running `"docker" "start" "-a" "a7cd2a055230e867c82c706af5aa9c8302efbcfd952a2e47dc97927ce80cc262"`
[INFO] [stderr]    Compiling datafaser-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::marker::PhantomData; // https://serde.rs/deserialize-map.html
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "a7cd2a055230e867c82c706af5aa9c8302efbcfd952a2e47dc97927ce80cc262"`
[INFO] running `"docker" "rm" "-f" "a7cd2a055230e867c82c706af5aa9c8302efbcfd952a2e47dc97927ce80cc262"`
[INFO] [stdout] a7cd2a055230e867c82c706af5aa9c8302efbcfd952a2e47dc97927ce80cc262
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/korpiq/datafaser-rust:/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] 9d88a899ce94015f2c8ad60b4c351f35ea23c19a16c9f3a9c84c654e35fa4d8a
[INFO] running `"docker" "start" "-a" "9d88a899ce94015f2c8ad60b4c351f35ea23c19a16c9f3a9c84c654e35fa4d8a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/datafaser_rust-cc9872f30f01bccd
[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" "9d88a899ce94015f2c8ad60b4c351f35ea23c19a16c9f3a9c84c654e35fa4d8a"`
[INFO] running `"docker" "rm" "-f" "9d88a899ce94015f2c8ad60b4c351f35ea23c19a16c9f3a9c84c654e35fa4d8a"`
[INFO] [stdout] 9d88a899ce94015f2c8ad60b4c351f35ea23c19a16c9f3a9c84c654e35fa4d8a