Dec 11 22:20:12.350 INFO checking ashelleyPurdue/rust_prng against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:20:12.350 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 22:20:12.712 INFO [stdout] 309c8520367b2f6fdeb2ccbd28fd678490bb162ebb9f843e5ce79bb96230be68
Dec 11 22:20:12.716 INFO running `"docker" "start" "-a" "309c8520367b2f6fdeb2ccbd28fd678490bb162ebb9f843e5ce79bb96230be68"`
Dec 11 22:20:14.000 INFO [stderr] usermod: no changes
Dec 11 22:20:14.056 INFO [stderr]     Checking rng_struct v0.1.0 (/source)
Dec 11 22:20:14.780 INFO [stderr] warning: field is never used: `seed`
Dec 11 22:20:14.780 INFO [stderr]  --> src/random.rs:5:5
Dec 11 22:20:14.780 INFO [stderr]   |
Dec 11 22:20:14.780 INFO [stderr] 5 |     seed: u64,
Dec 11 22:20:14.780 INFO [stderr]   |     ^^^^^^^^^
Dec 11 22:20:14.780 INFO [stderr]   |
Dec 11 22:20:14.780 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 22:20:14.780 INFO [stderr] 
Dec 11 22:20:14.780 INFO [stderr] warning: constant item is never used: `LARGEST_U64_PRIME`
Dec 11 22:20:14.780 INFO [stderr]  --> src/hashing.rs:1:1
Dec 11 22:20:14.780 INFO [stderr]   |
Dec 11 22:20:14.780 INFO [stderr] 1 | const LARGEST_U64_PRIME: u64 = 2305843009213693951;        // Equivalent to 61 straight 1's in binary
Dec 11 22:20:14.781 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:20:14.781 INFO [stderr] 
Dec 11 22:20:14.781 INFO [stderr] warning: function is never used: `mod_exp_hash`
Dec 11 22:20:14.781 INFO [stderr]   --> src/hashing.rs:18:1
Dec 11 22:20:14.781 INFO [stderr]    |
Dec 11 22:20:14.781 INFO [stderr] 18 | pub fn mod_exp_hash(num: u64) -> u64
Dec 11 22:20:14.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:20:14.781 INFO [stderr] 
Dec 11 22:20:14.781 INFO [stderr] warning: function is never used: `mod_exp`
Dec 11 22:20:14.781 INFO [stderr]   --> src/hashing.rs:31:1
Dec 11 22:20:14.781 INFO [stderr]    |
Dec 11 22:20:14.781 INFO [stderr] 31 | fn mod_exp(base: u64, exp: u64, modulo: u64) -> u64
Dec 11 22:20:14.781 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:20:14.781 INFO [stderr] 
Dec 11 22:20:14.832 INFO [stderr] warning: field is never used: `seed`
Dec 11 22:20:14.832 INFO [stderr]  --> src/random.rs:5:5
Dec 11 22:20:14.832 INFO [stderr]   |
Dec 11 22:20:14.832 INFO [stderr] 5 |     seed: u64,
Dec 11 22:20:14.832 INFO [stderr]   |     ^^^^^^^^^
Dec 11 22:20:14.832 INFO [stderr]   |
Dec 11 22:20:14.832 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 22:20:14.832 INFO [stderr] 
Dec 11 22:20:14.832 INFO [stderr] warning: constant item is never used: `LARGEST_U64_PRIME`
Dec 11 22:20:14.832 INFO [stderr]  --> src/hashing.rs:1:1
Dec 11 22:20:14.832 INFO [stderr]   |
Dec 11 22:20:14.832 INFO [stderr] 1 | const LARGEST_U64_PRIME: u64 = 2305843009213693951;        // Equivalent to 61 straight 1's in binary
Dec 11 22:20:14.832 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:20:14.832 INFO [stderr] 
Dec 11 22:20:14.832 INFO [stderr] warning: function is never used: `mod_exp_hash`
Dec 11 22:20:14.832 INFO [stderr]   --> src/hashing.rs:18:1
Dec 11 22:20:14.832 INFO [stderr]    |
Dec 11 22:20:14.832 INFO [stderr] 18 | pub fn mod_exp_hash(num: u64) -> u64
Dec 11 22:20:14.832 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:20:14.833 INFO [stderr] 
Dec 11 22:20:14.833 INFO [stderr] warning: function is never used: `mod_exp`
Dec 11 22:20:14.833 INFO [stderr]   --> src/hashing.rs:31:1
Dec 11 22:20:14.833 INFO [stderr]    |
Dec 11 22:20:14.833 INFO [stderr] 31 | fn mod_exp(base: u64, exp: u64, modulo: u64) -> u64
Dec 11 22:20:14.833 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:20:14.833 INFO [stderr] 
Dec 11 22:20:14.864 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 11 22:20:14.872 INFO [stderr] su: No module specific data is present
Dec 11 22:20:15.568 INFO running `"docker" "inspect" "309c8520367b2f6fdeb2ccbd28fd678490bb162ebb9f843e5ce79bb96230be68"`
Dec 11 22:20:15.844 INFO running `"docker" "rm" "-f" "309c8520367b2f6fdeb2ccbd28fd678490bb162ebb9f843e5ce79bb96230be68"`
Dec 11 22:20:16.089 INFO [stdout] 309c8520367b2f6fdeb2ccbd28fd678490bb162ebb9f843e5ce79bb96230be68