[INFO] updating cached repository https://github.com/JayDalton/hello-world
[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] 2d97f82ddc352d463ec4ce0eb3d119878bd82b84
[INFO] testing JayDalton/hello-world against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FJayDalton%2Fhello-world" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JayDalton/hello-world 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/JayDalton/hello-world
[INFO] finished tweaking git repo https://github.com/JayDalton/hello-world
[INFO] tweaked toml for git repo https://github.com/JayDalton/hello-world written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JayDalton/hello-world 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] aaf5ca4e9c6a13b10a9560d030a0e6e7fb74a20a19518b78d2d2fa3cac447c10
[INFO] running `"docker" "start" "-a" "aaf5ca4e9c6a13b10a9560d030a0e6e7fb74a20a19518b78d2d2fa3cac447c10"`
[INFO] [stderr]    Compiling num-complex v0.1.38
[INFO] [stderr]    Compiling rustfft v2.0.0
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> source/primes.rs:127:41
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn basic_sieve(limit: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> source/primes.rs:151:45
[INFO] [stderr]     |
[INFO] [stderr] 151 | pub fn optimized_sieve(limit: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_num`
[INFO] [stderr]   --> source/primes.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn athkin_sieve(max_num: usize) -> HashMap<usize, bool> {
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_max_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `zeigen`
[INFO] [stderr]    --> source/primes.rs:220:33
[INFO] [stderr]     |
[INFO] [stderr] 220 | pub fn primesums(grenze: usize, zeigen: bool) -> usize {
[INFO] [stderr]     |                                 ^^^^^^ help: consider prefixing with an underscore: `_zeigen`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> source/primes.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let mut anzahl: usize = 0;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_factors`
[INFO] [stderr]   --> source/primes.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_factors(x:u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_prime`
[INFO] [stderr]   --> source/primes.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn is_prime(x:u64) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_prime_factors`
[INFO] [stderr]   --> source/primes.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_prime_factors(x:u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_largest_prime`
[INFO] [stderr]   --> source/primes.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn get_largest_prime(x:u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `athkin_sieve`
[INFO] [stderr]   --> source/primes.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn athkin_sieve(max_num: usize) -> HashMap<usize, bool> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_sieve`
[INFO] [stderr]    --> source/primes.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub fn simple_sieve(limit: usize) -> Vec<usize> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `basic_sieve`
[INFO] [stderr]    --> source/primes.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn basic_sieve(limit: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_duration`
[INFO] [stderr]    --> source/primes.rs:184:1
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub fn get_duration(strt: Instant) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compare_primealgos`
[INFO] [stderr]    --> source/primes.rs:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub fn compare_primealgos(){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_double`
[INFO] [stderr]   --> source/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_double(msg: &str) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "aaf5ca4e9c6a13b10a9560d030a0e6e7fb74a20a19518b78d2d2fa3cac447c10"`
[INFO] running `"docker" "rm" "-f" "aaf5ca4e9c6a13b10a9560d030a0e6e7fb74a20a19518b78d2d2fa3cac447c10"`
[INFO] [stdout] aaf5ca4e9c6a13b10a9560d030a0e6e7fb74a20a19518b78d2d2fa3cac447c10
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 7617448b1dc7a375e8a49badd8c881d901bc93fee8dddcd38d7046d1a2834820
[INFO] running `"docker" "start" "-a" "7617448b1dc7a375e8a49badd8c881d901bc93fee8dddcd38d7046d1a2834820"`
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> source/primes.rs:127:41
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn basic_sieve(limit: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> source/primes.rs:151:45
[INFO] [stderr]     |
[INFO] [stderr] 151 | pub fn optimized_sieve(limit: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_num`
[INFO] [stderr]   --> source/primes.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn athkin_sieve(max_num: usize) -> HashMap<usize, bool> {
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_max_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `zeigen`
[INFO] [stderr]    --> source/primes.rs:220:33
[INFO] [stderr]     |
[INFO] [stderr] 220 | pub fn primesums(grenze: usize, zeigen: bool) -> usize {
[INFO] [stderr]     |                                 ^^^^^^ help: consider prefixing with an underscore: `_zeigen`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> source/primes.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let mut anzahl: usize = 0;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_factors`
[INFO] [stderr]   --> source/primes.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_factors(x:u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_prime`
[INFO] [stderr]   --> source/primes.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn is_prime(x:u64) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_prime_factors`
[INFO] [stderr]   --> source/primes.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_prime_factors(x:u64) -> Vec<u64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_largest_prime`
[INFO] [stderr]   --> source/primes.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn get_largest_prime(x:u64) -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `athkin_sieve`
[INFO] [stderr]   --> source/primes.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn athkin_sieve(max_num: usize) -> HashMap<usize, bool> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_sieve`
[INFO] [stderr]    --> source/primes.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub fn simple_sieve(limit: usize) -> Vec<usize> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `basic_sieve`
[INFO] [stderr]    --> source/primes.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn basic_sieve(limit: usize) -> Box<Iterator<Item = usize>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_duration`
[INFO] [stderr]    --> source/primes.rs:184:1
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub fn get_duration(strt: Instant) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compare_primealgos`
[INFO] [stderr]    --> source/primes.rs:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub fn compare_primealgos(){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_double`
[INFO] [stderr]   --> source/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_double(msg: &str) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "7617448b1dc7a375e8a49badd8c881d901bc93fee8dddcd38d7046d1a2834820"`
[INFO] running `"docker" "rm" "-f" "7617448b1dc7a375e8a49badd8c881d901bc93fee8dddcd38d7046d1a2834820"`
[INFO] [stdout] 7617448b1dc7a375e8a49badd8c881d901bc93fee8dddcd38d7046d1a2834820
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] a18f91f41c1f9453e041697fc404649d5b1893c48581a9dc2e81646280ff580a
[INFO] running `"docker" "start" "-a" "a18f91f41c1f9453e041697fc404649d5b1893c48581a9dc2e81646280ff580a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_world-a5a3f36c976ea951
[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" "a18f91f41c1f9453e041697fc404649d5b1893c48581a9dc2e81646280ff580a"`
[INFO] running `"docker" "rm" "-f" "a18f91f41c1f9453e041697fc404649d5b1893c48581a9dc2e81646280ff580a"`
[INFO] [stdout] a18f91f41c1f9453e041697fc404649d5b1893c48581a9dc2e81646280ff580a