[INFO] updating cached repository https://github.com/ashelleyPurdue/rust_prng
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 948fa6b1a85743cb932169b13ec47ea1c21fc390
[INFO] testing ashelleyPurdue/rust_prng against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FashelleyPurdue%2Frust_prng" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashelleyPurdue/rust_prng on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ashelleyPurdue/rust_prng
[INFO] finished tweaking git repo https://github.com/ashelleyPurdue/rust_prng
[INFO] tweaked toml for git repo https://github.com/ashelleyPurdue/rust_prng written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ashelleyPurdue/rust_prng already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 28ed2f35f221e4d2d444fccef5daf31bd1e2aac4bc1b5f40e6eaf6a46361aafe
[INFO] running `"docker" "start" "-a" "28ed2f35f221e4d2d444fccef5daf31bd1e2aac4bc1b5f40e6eaf6a46361aafe"`
[INFO] [stderr]    Compiling rng_struct v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "28ed2f35f221e4d2d444fccef5daf31bd1e2aac4bc1b5f40e6eaf6a46361aafe"`
[INFO] running `"docker" "rm" "-f" "28ed2f35f221e4d2d444fccef5daf31bd1e2aac4bc1b5f40e6eaf6a46361aafe"`
[INFO] [stdout] 28ed2f35f221e4d2d444fccef5daf31bd1e2aac4bc1b5f40e6eaf6a46361aafe
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba22e12961543cce4be7d0ca7e0b3d50d86dcf58bbe7b6d475204ed65ca3b43a
[INFO] running `"docker" "start" "-a" "ba22e12961543cce4be7d0ca7e0b3d50d86dcf58bbe7b6d475204ed65ca3b43a"`
[INFO] [stderr]    Compiling rng_struct v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "ba22e12961543cce4be7d0ca7e0b3d50d86dcf58bbe7b6d475204ed65ca3b43a"`
[INFO] running `"docker" "rm" "-f" "ba22e12961543cce4be7d0ca7e0b3d50d86dcf58bbe7b6d475204ed65ca3b43a"`
[INFO] [stdout] ba22e12961543cce4be7d0ca7e0b3d50d86dcf58bbe7b6d475204ed65ca3b43a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 9c376b956a7e6d6d2f68639f591569cfdcebf55539ed3751ec61495fede96e37
[INFO] running `"docker" "start" "-a" "9c376b956a7e6d6d2f68639f591569cfdcebf55539ed3751ec61495fede96e37"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rng_struct-c55455d9ed779146
[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" "9c376b956a7e6d6d2f68639f591569cfdcebf55539ed3751ec61495fede96e37"`
[INFO] running `"docker" "rm" "-f" "9c376b956a7e6d6d2f68639f591569cfdcebf55539ed3751ec61495fede96e37"`
[INFO] [stdout] 9c376b956a7e6d6d2f68639f591569cfdcebf55539ed3751ec61495fede96e37