[INFO] updating cached repository ashelleyPurdue/rust_prng
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashelleyPurdue/rust_prng
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashelleyPurdue/rust_prng" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashelleyPurdue/rust_prng"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashelleyPurdue/rust_prng'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashelleyPurdue/rust_prng" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ashelleyPurdue/rust_prng"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ashelleyPurdue/rust_prng'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 948fa6b1a85743cb932169b13ec47ea1c21fc390
[INFO] sha for GitHub repo ashelleyPurdue/rust_prng: 948fa6b1a85743cb932169b13ec47ea1c21fc390
[INFO] validating manifest of ashelleyPurdue/rust_prng on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashelleyPurdue/rust_prng on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashelleyPurdue/rust_prng
[INFO] finished frobbing ashelleyPurdue/rust_prng
[INFO] frobbed toml for ashelleyPurdue/rust_prng written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashelleyPurdue/rust_prng/Cargo.toml
[INFO] started frobbing ashelleyPurdue/rust_prng
[INFO] finished frobbing ashelleyPurdue/rust_prng
[INFO] frobbed toml for ashelleyPurdue/rust_prng written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ashelleyPurdue/rust_prng/Cargo.toml
[INFO] crate ashelleyPurdue/rust_prng has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashelleyPurdue/rust_prng against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-2/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashelleyPurdue/rust_prng:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d3bb642aa686f7c367364b7e9518afd5b291ae3b3afb79371ae95508f8c0a3b9
[INFO] running `"docker" "start" "-a" "d3bb642aa686f7c367364b7e9518afd5b291ae3b3afb79371ae95508f8c0a3b9"`
[INFO] [stderr]     Checking rng_struct v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `seed`
[INFO] [stderr]  --> src/random.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     seed: u64,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LARGEST_U64_PRIME`
[INFO] [stderr]  --> src/hashing.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const LARGEST_U64_PRIME: u64 = 2305843009213693951;        // Equivalent to 61 straight 1's in binary
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_exp_hash`
[INFO] [stderr]   --> src/hashing.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn mod_exp_hash(num: u64) -> u64
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_exp`
[INFO] [stderr]   --> src/hashing.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn mod_exp(base: u64, exp: u64, modulo: u64) -> u64
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `seed`
[INFO] [stderr]  --> src/random.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     seed: u64,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LARGEST_U64_PRIME`
[INFO] [stderr]  --> src/hashing.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const LARGEST_U64_PRIME: u64 = 2305843009213693951;        // Equivalent to 61 straight 1's in binary
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_exp_hash`
[INFO] [stderr]   --> src/hashing.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn mod_exp_hash(num: u64) -> u64
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mod_exp`
[INFO] [stderr]   --> src/hashing.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn mod_exp(base: u64, exp: u64, modulo: u64) -> u64
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "d3bb642aa686f7c367364b7e9518afd5b291ae3b3afb79371ae95508f8c0a3b9"`
[INFO] running `"docker" "rm" "-f" "d3bb642aa686f7c367364b7e9518afd5b291ae3b3afb79371ae95508f8c0a3b9"`
[INFO] [stdout] d3bb642aa686f7c367364b7e9518afd5b291ae3b3afb79371ae95508f8c0a3b9