Dec 04 22:20:51.676 INFO checking ashelleyPurdue/rust_prng against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:20:51.676 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 22:20:52.019 INFO [stdout] 83c0d5be16765b6643085368ea17fca204559203e3c509474fcb441bcf8cd397
Dec 04 22:20:52.024 INFO running `"docker" "start" "-a" "83c0d5be16765b6643085368ea17fca204559203e3c509474fcb441bcf8cd397"`
Dec 04 22:20:53.159 INFO [stderr] usermod: no changes
Dec 04 22:20:53.247 INFO [stderr]     Checking rng_struct v0.1.0 (/source)
Dec 04 22:20:53.807 INFO [stderr] warning: field is never used: `seed`
Dec 04 22:20:53.807 INFO [stderr]  --> src/random.rs:5:5
Dec 04 22:20:53.807 INFO [stderr]   |
Dec 04 22:20:53.807 INFO [stderr] 5 |     seed: u64,
Dec 04 22:20:53.807 INFO [stderr]   |     ^^^^^^^^^
Dec 04 22:20:53.807 INFO [stderr]   |
Dec 04 22:20:53.812 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:20:53.812 INFO [stderr] 
Dec 04 22:20:53.812 INFO [stderr] warning: constant item is never used: `LARGEST_U64_PRIME`
Dec 04 22:20:53.812 INFO [stderr]  --> src/hashing.rs:1:1
Dec 04 22:20:53.812 INFO [stderr]   |
Dec 04 22:20:53.812 INFO [stderr] 1 | const LARGEST_U64_PRIME: u64 = 2305843009213693951;        // Equivalent to 61 straight 1's in binary
Dec 04 22:20:53.812 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:53.812 INFO [stderr] 
Dec 04 22:20:53.812 INFO [stderr] warning: function is never used: `mod_exp_hash`
Dec 04 22:20:53.812 INFO [stderr]   --> src/hashing.rs:18:1
Dec 04 22:20:53.812 INFO [stderr]    |
Dec 04 22:20:53.812 INFO [stderr] 18 | pub fn mod_exp_hash(num: u64) -> u64
Dec 04 22:20:53.812 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:53.812 INFO [stderr] 
Dec 04 22:20:53.812 INFO [stderr] warning: function is never used: `mod_exp`
Dec 04 22:20:53.812 INFO [stderr]   --> src/hashing.rs:31:1
Dec 04 22:20:53.813 INFO [stderr]    |
Dec 04 22:20:53.813 INFO [stderr] 31 | fn mod_exp(base: u64, exp: u64, modulo: u64) -> u64
Dec 04 22:20:53.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:53.813 INFO [stderr] 
Dec 04 22:20:53.963 INFO [stderr] warning: field is never used: `seed`
Dec 04 22:20:53.963 INFO [stderr]  --> src/random.rs:5:5
Dec 04 22:20:53.963 INFO [stderr]   |
Dec 04 22:20:53.963 INFO [stderr] 5 |     seed: u64,
Dec 04 22:20:53.963 INFO [stderr]   |     ^^^^^^^^^
Dec 04 22:20:53.963 INFO [stderr]   |
Dec 04 22:20:53.963 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:20:53.963 INFO [stderr] 
Dec 04 22:20:53.963 INFO [stderr] warning: constant item is never used: `LARGEST_U64_PRIME`
Dec 04 22:20:53.963 INFO [stderr]  --> src/hashing.rs:1:1
Dec 04 22:20:53.963 INFO [stderr]   |
Dec 04 22:20:53.963 INFO [stderr] 1 | const LARGEST_U64_PRIME: u64 = 2305843009213693951;        // Equivalent to 61 straight 1's in binary
Dec 04 22:20:53.963 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:53.963 INFO [stderr] 
Dec 04 22:20:53.963 INFO [stderr] warning: function is never used: `mod_exp_hash`
Dec 04 22:20:53.963 INFO [stderr]   --> src/hashing.rs:18:1
Dec 04 22:20:53.964 INFO [stderr]    |
Dec 04 22:20:53.964 INFO [stderr] 18 | pub fn mod_exp_hash(num: u64) -> u64
Dec 04 22:20:53.964 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:53.964 INFO [stderr] 
Dec 04 22:20:53.964 INFO [stderr] warning: function is never used: `mod_exp`
Dec 04 22:20:53.964 INFO [stderr]   --> src/hashing.rs:31:1
Dec 04 22:20:53.964 INFO [stderr]    |
Dec 04 22:20:53.964 INFO [stderr] 31 | fn mod_exp(base: u64, exp: u64, modulo: u64) -> u64
Dec 04 22:20:53.964 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:20:53.964 INFO [stderr] 
Dec 04 22:20:53.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 04 22:20:54.011 INFO [stderr] su: No module specific data is present
Dec 04 22:20:55.139 INFO running `"docker" "inspect" "83c0d5be16765b6643085368ea17fca204559203e3c509474fcb441bcf8cd397"`
Dec 04 22:20:55.391 INFO running `"docker" "rm" "-f" "83c0d5be16765b6643085368ea17fca204559203e3c509474fcb441bcf8cd397"`
Dec 04 22:20:55.707 INFO [stdout] 83c0d5be16765b6643085368ea17fca204559203e3c509474fcb441bcf8cd397