[INFO] updating cached repository hjarrell/rust-hashing-analysis
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hjarrell/rust-hashing-analysis
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hjarrell/rust-hashing-analysis" "work/ex/beta-1.37-6/sources/1.36.0/gh/hjarrell/rust-hashing-analysis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hjarrell/rust-hashing-analysis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hjarrell/rust-hashing-analysis" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hjarrell/rust-hashing-analysis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hjarrell/rust-hashing-analysis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2a198c752495b911211d40198ad667b9ba12df3
[INFO] sha for GitHub repo hjarrell/rust-hashing-analysis: f2a198c752495b911211d40198ad667b9ba12df3
[INFO] validating manifest of hjarrell/rust-hashing-analysis 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 hjarrell/rust-hashing-analysis 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 hjarrell/rust-hashing-analysis
[INFO] finished frobbing hjarrell/rust-hashing-analysis
[INFO] frobbed toml for hjarrell/rust-hashing-analysis written to work/ex/beta-1.37-6/sources/1.36.0/gh/hjarrell/rust-hashing-analysis/Cargo.toml
[INFO] started frobbing hjarrell/rust-hashing-analysis
[INFO] finished frobbing hjarrell/rust-hashing-analysis
[INFO] frobbed toml for hjarrell/rust-hashing-analysis written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hjarrell/rust-hashing-analysis/Cargo.toml
[INFO] crate hjarrell/rust-hashing-analysis 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 hjarrell/rust-hashing-analysis 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-3/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/hjarrell/rust-hashing-analysis:/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] aa17853c39ef4b7be4a6fcecdd1747a95d427347b31bf01f2b1df7f02ae8367f
[INFO] running `"docker" "start" "-a" "aa17853c39ef4b7be4a6fcecdd1747a95d427347b31bf01f2b1df7f02ae8367f"`
[INFO] [stderr]    Compiling plotlib v0.3.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling hashing_analysis_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `num_of_bits`
[INFO] [stderr]  --> src/hashtable.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn num_of_bits(input: &u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Deleted`
[INFO] [stderr]   --> src/hashtable.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Deleted,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_deleted`
[INFO] [stderr]   --> src/hashtable.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn is_deleted(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `"docker" "inspect" "aa17853c39ef4b7be4a6fcecdd1747a95d427347b31bf01f2b1df7f02ae8367f"`
[INFO] running `"docker" "rm" "-f" "aa17853c39ef4b7be4a6fcecdd1747a95d427347b31bf01f2b1df7f02ae8367f"`
[INFO] [stdout] aa17853c39ef4b7be4a6fcecdd1747a95d427347b31bf01f2b1df7f02ae8367f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/hjarrell/rust-hashing-analysis:/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] ca358e5b35fa1eaffd376c4de098723e6e6d1a22caf73d781af97fb43e983bef
[INFO] running `"docker" "start" "-a" "ca358e5b35fa1eaffd376c4de098723e6e6d1a22caf73d781af97fb43e983bef"`
[INFO] [stderr]    Compiling hashing_analysis_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `num_of_bits`
[INFO] [stderr]  --> src/hashtable.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn num_of_bits(input: &u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Deleted`
[INFO] [stderr]   --> src/hashtable.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Deleted,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_deleted`
[INFO] [stderr]   --> src/hashtable.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn is_deleted(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "ca358e5b35fa1eaffd376c4de098723e6e6d1a22caf73d781af97fb43e983bef"`
[INFO] running `"docker" "rm" "-f" "ca358e5b35fa1eaffd376c4de098723e6e6d1a22caf73d781af97fb43e983bef"`
[INFO] [stdout] ca358e5b35fa1eaffd376c4de098723e6e6d1a22caf73d781af97fb43e983bef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/hjarrell/rust-hashing-analysis:/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] 7ca0bdb41d75e89ab7269e7320779b72dd49db7fbf818dda2d59c362842fb205
[INFO] running `"docker" "start" "-a" "7ca0bdb41d75e89ab7269e7320779b72dd49db7fbf818dda2d59c362842fb205"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hashing_analysis_rust-2b4babfaca0e37d5
[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" "7ca0bdb41d75e89ab7269e7320779b72dd49db7fbf818dda2d59c362842fb205"`
[INFO] running `"docker" "rm" "-f" "7ca0bdb41d75e89ab7269e7320779b72dd49db7fbf818dda2d59c362842fb205"`
[INFO] [stdout] 7ca0bdb41d75e89ab7269e7320779b72dd49db7fbf818dda2d59c362842fb205