[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/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/hjarrell/rust-hashing-analysis"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/hjarrell/rust-hashing-analysis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hjarrell/rust-hashing-analysis" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/hjarrell/rust-hashing-analysis"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/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 master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hjarrell/rust-hashing-analysis on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "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/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/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/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/hjarrell/rust-hashing-analysis/Cargo.toml
[INFO] crate hjarrell/rust-hashing-analysis has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hjarrell/rust-hashing-analysis against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-2/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/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=forbid" "-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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a48571c33152a33ff06e63f4dfb8ab6310c06f4139d34f7baaacdf10bcc733e
[INFO] running `"docker" "start" "-a" "8a48571c33152a33ff06e63f4dfb8ab6310c06f4139d34f7baaacdf10bcc733e"`
[INFO] [stderr]     Checking svg v0.5.11
[INFO] [stderr]     Checking plotlib v0.3.0
[INFO] [stderr]     Checking 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: 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] 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 1.93s
[INFO] running `"docker" "inspect" "8a48571c33152a33ff06e63f4dfb8ab6310c06f4139d34f7baaacdf10bcc733e"`
[INFO] running `"docker" "rm" "-f" "8a48571c33152a33ff06e63f4dfb8ab6310c06f4139d34f7baaacdf10bcc733e"`
[INFO] [stdout] 8a48571c33152a33ff06e63f4dfb8ab6310c06f4139d34f7baaacdf10bcc733e