[INFO] crate quackin 0.1.1 is already in cache
[INFO] extracting crate quackin 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/quackin/0.1.1
[INFO] extracting crate quackin 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/quackin/0.1.1
[INFO] validating manifest of quackin-0.1.1 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 quackin-0.1.1 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 quackin-0.1.1
[INFO] finished frobbing quackin-0.1.1
[INFO] frobbed toml for quackin-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/quackin/0.1.1/Cargo.toml
[INFO] started frobbing quackin-0.1.1
[INFO] finished frobbing quackin-0.1.1
[INFO] frobbed toml for quackin-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/quackin/0.1.1/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 quackin-0.1.1 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/quackin/0.1.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e619443ea9a697ea56b32b75ee455ec4dec218229b98712d951c8578391a7768
[INFO] running `"docker" "start" "-a" "e619443ea9a697ea56b32b75ee455ec4dec218229b98712d951c8578391a7768"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling ndarray v0.6.10
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling sprs v0.4.1
[INFO] [stderr]    Compiling quackin v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `"docker" "inspect" "e619443ea9a697ea56b32b75ee455ec4dec218229b98712d951c8578391a7768"`
[INFO] running `"docker" "rm" "-f" "e619443ea9a697ea56b32b75ee455ec4dec218229b98712d951c8578391a7768"`
[INFO] [stdout] e619443ea9a697ea56b32b75ee455ec4dec218229b98712d951c8578391a7768
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/quackin/0.1.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54a1f50be09170263255462e9281f2ba35a27141e41bbf53b9c096df0c3cb5b6
[INFO] running `"docker" "start" "-a" "54a1f50be09170263255462e9281f2ba35a27141e41bbf53b9c096df0c3cb5b6"`
[INFO] [stderr]    Compiling quackin v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "54a1f50be09170263255462e9281f2ba35a27141e41bbf53b9c096df0c3cb5b6"`
[INFO] running `"docker" "rm" "-f" "54a1f50be09170263255462e9281f2ba35a27141e41bbf53b9c096df0c3cb5b6"`
[INFO] [stdout] 54a1f50be09170263255462e9281f2ba35a27141e41bbf53b9c096df0c3cb5b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/quackin/0.1.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ed55b67094dd958e14089370eebe8fae9d094c6f532ea0e8a20f338c4f6efce4
[INFO] running `"docker" "start" "-a" "ed55b67094dd958e14089370eebe8fae9d094c6f532ea0e8a20f338c4f6efce4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quackin-7f65f60733c4d11b
[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] [stderr]      Running /opt/crater/target/debug/deps/quackin-d84152916f5ddc01
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test knn_user_recommender ... ok
[INFO] [stdout] test read_mock ... ok
[INFO] [stdout] test read_mock_with_custom_records ... ok
[INFO] [stdout] test read_mock_with_headers ... ok
[INFO] [stdout] test read_mock_with_separator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quackin
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/data/mod.rs - data (line 8) ... ignored
[INFO] [stdout] test src/data/mod.rs - data::Record (line 37) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 22) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ed55b67094dd958e14089370eebe8fae9d094c6f532ea0e8a20f338c4f6efce4"`
[INFO] running `"docker" "rm" "-f" "ed55b67094dd958e14089370eebe8fae9d094c6f532ea0e8a20f338c4f6efce4"`
[INFO] [stdout] ed55b67094dd958e14089370eebe8fae9d094c6f532ea0e8a20f338c4f6efce4