[INFO] updating cached repository mohan82/crime_statistics_nsw
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mohan82/crime_statistics_nsw
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mohan82/crime_statistics_nsw" "work/ex/beta-1.37-6/sources/1.36.0/gh/mohan82/crime_statistics_nsw"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mohan82/crime_statistics_nsw'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mohan82/crime_statistics_nsw" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohan82/crime_statistics_nsw"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohan82/crime_statistics_nsw'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72fb4a422626d3d68117a17261d067c8e1811b77
[INFO] sha for GitHub repo mohan82/crime_statistics_nsw: 72fb4a422626d3d68117a17261d067c8e1811b77
[INFO] validating manifest of mohan82/crime_statistics_nsw on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mohan82/crime_statistics_nsw on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mohan82/crime_statistics_nsw
[INFO] finished frobbing mohan82/crime_statistics_nsw
[INFO] frobbed toml for mohan82/crime_statistics_nsw written to work/ex/beta-1.37-6/sources/1.36.0/gh/mohan82/crime_statistics_nsw/Cargo.toml
[INFO] started frobbing mohan82/crime_statistics_nsw
[INFO] finished frobbing mohan82/crime_statistics_nsw
[INFO] frobbed toml for mohan82/crime_statistics_nsw written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohan82/crime_statistics_nsw/Cargo.toml
[INFO] crate mohan82/crime_statistics_nsw already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mohan82/crime_statistics_nsw against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohan82/crime_statistics_nsw:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6e73fe42163946ce16a630cccdfdd8c9a38b44daf4240b9e660bc94820fc92d7
[INFO] running `"docker" "start" "-a" "6e73fe42163946ce16a630cccdfdd8c9a38b44daf4240b9e660bc94820fc92d7"`
[INFO] [stderr]    Compiling crime_statistics_nsw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut file = BufReader::new(&fh);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatsRecord`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct StatsRecord {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "6e73fe42163946ce16a630cccdfdd8c9a38b44daf4240b9e660bc94820fc92d7"`
[INFO] running `"docker" "rm" "-f" "6e73fe42163946ce16a630cccdfdd8c9a38b44daf4240b9e660bc94820fc92d7"`
[INFO] [stdout] 6e73fe42163946ce16a630cccdfdd8c9a38b44daf4240b9e660bc94820fc92d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohan82/crime_statistics_nsw:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7c45e3c192faec94779b1a4a742a6816665b6c074a87f6d6132cd1c2b13a4f92
[INFO] running `"docker" "start" "-a" "7c45e3c192faec94779b1a4a742a6816665b6c074a87f6d6132cd1c2b13a4f92"`
[INFO] [stderr]    Compiling crime_statistics_nsw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let mut file = BufReader::new(&fh);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatsRecord`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct StatsRecord {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "7c45e3c192faec94779b1a4a742a6816665b6c074a87f6d6132cd1c2b13a4f92"`
[INFO] running `"docker" "rm" "-f" "7c45e3c192faec94779b1a4a742a6816665b6c074a87f6d6132cd1c2b13a4f92"`
[INFO] [stdout] 7c45e3c192faec94779b1a4a742a6816665b6c074a87f6d6132cd1c2b13a4f92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mohan82/crime_statistics_nsw:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a44f68765b1117f59a22eb5996cb8a281a5e7c72f8d74eea49f6f75c244122a4
[INFO] running `"docker" "start" "-a" "a44f68765b1117f59a22eb5996cb8a281a5e7c72f8d74eea49f6f75c244122a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crime_statistics_nsw-f5103e8a7dd145a2
[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" "a44f68765b1117f59a22eb5996cb8a281a5e7c72f8d74eea49f6f75c244122a4"`
[INFO] running `"docker" "rm" "-f" "a44f68765b1117f59a22eb5996cb8a281a5e7c72f8d74eea49f6f75c244122a4"`
[INFO] [stdout] a44f68765b1117f59a22eb5996cb8a281a5e7c72f8d74eea49f6f75c244122a4