[INFO] crate num-primes 0.1.1 is already in cache
[INFO] testing num-primes-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate num-primes 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate num-primes 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num-primes 0.1.1
[INFO] finished tweaking crates.io crate num-primes 0.1.1
[INFO] tweaked toml for crates.io crate num-primes 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate num-primes 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d6fd6086a3172aaca30bed8808b1755ed1fa68b6bf3aa5ec929f2f7585af048
[INFO] running `Command { std: "docker" "start" "-a" "8d6fd6086a3172aaca30bed8808b1755ed1fa68b6bf3aa5ec929f2f7585af048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6fd6086a3172aaca30bed8808b1755ed1fa68b6bf3aa5ec929f2f7585af048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6fd6086a3172aaca30bed8808b1755ed1fa68b6bf3aa5ec929f2f7585af048", kill_on_drop: false }`
[INFO] [stdout] 8d6fd6086a3172aaca30bed8808b1755ed1fa68b6bf3aa5ec929f2f7585af048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 593781fd29696a59c435385770c93d490789f7db77c525d7e75a712c89ba594a
[INFO] running `Command { std: "docker" "start" "-a" "593781fd29696a59c435385770c93d490789f7db77c525d7e75a712c89ba594a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling num-primes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'vsn'
[INFO] [stdout]    --> src/lib.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |         return vsn(m,n,c);
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let x = &two;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut y = &zero;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             i = i + 2usize;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut y = &zero;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_safe_prime_add`
[INFO] [stdout]    --> src/lib.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pollard_rho`
[INFO] [stdout]    --> src/lib.rs:457:4
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "593781fd29696a59c435385770c93d490789f7db77c525d7e75a712c89ba594a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593781fd29696a59c435385770c93d490789f7db77c525d7e75a712c89ba594a", kill_on_drop: false }`
[INFO] [stdout] 593781fd29696a59c435385770c93d490789f7db77c525d7e75a712c89ba594a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dc9b7a69d518f2c834e44935f899b748122a116a5708bba41070aa7ca1f94d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0dc9b7a69d518f2c834e44935f899b748122a116a5708bba41070aa7ca1f94d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-primes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'vsn'
[INFO] [stdout]    --> src/lib.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |         return vsn(m,n,c);
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let x = &two;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut y = &zero;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             i = i + 2usize;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut y = &zero;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_safe_prime_add`
[INFO] [stdout]    --> src/lib.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pollard_rho`
[INFO] [stdout]    --> src/lib.rs:457:4
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'vsn'
[INFO] [stdout]    --> src/lib.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |         return vsn(m,n,c);
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'num_primes::Verification::is_very_smooth_number'
[INFO] [stdout]   --> tests/very_smooth_number.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let result: bool = Verification::is_very_smooth_number(&x,31.0,5);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'num_primes::Verification::is_very_smooth_number'
[INFO] [stdout]   --> examples/vsn.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let result: bool = Verification::is_very_smooth_number(&x,31.0,5);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/lib.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let x = &two;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut y = &zero;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/lib.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/lib.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             i = i + 2usize;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:457:16
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |                ----^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:459:9
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |     let mut y = &zero;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let mut i: usize = 0usize;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let mut counter: usize = 10usize;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_safe_prime_add`
[INFO] [stdout]    --> src/lib.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pollard_rho`
[INFO] [stdout]    --> src/lib.rs:457:4
[INFO] [stdout]     |
[INFO] [stdout] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "0dc9b7a69d518f2c834e44935f899b748122a116a5708bba41070aa7ca1f94d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc9b7a69d518f2c834e44935f899b748122a116a5708bba41070aa7ca1f94d3", kill_on_drop: false }`
[INFO] [stdout] 0dc9b7a69d518f2c834e44935f899b748122a116a5708bba41070aa7ca1f94d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94fadde2c976a99257b04dd31b925b25238c9d54b9f092c30dfb69e343fa63e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94fadde2c976a99257b04dd31b925b25238c9d54b9f092c30dfb69e343fa63e8", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'vsn'
[INFO] [stderr]    --> src/lib.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |         return vsn(m,n,c);
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/lib.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:467:9
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let x = &two;
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |     let mut y = &zero;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |     let mut i: usize = 0usize;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter`
[INFO] [stderr]    --> src/lib.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |     let mut counter: usize = 10usize;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:457:16
[INFO] [stderr]     |
[INFO] [stderr] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/lib.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |             i = i + 2usize;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:457:16
[INFO] [stderr]     |
[INFO] [stderr] 457 | fn pollard_rho(mut n: BigUint) {
[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: use of deprecated item 'vsn'
[INFO] [stderr]    --> src/lib.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |         return vsn(m,n,c);
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/lib.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:467:9
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let x = &two;
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |     let mut y = &zero;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |     let mut y = &zero;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |     let mut i: usize = 0usize;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |     let mut counter: usize = 10usize;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_safe_prime_add`
[INFO] [stderr]    --> src/lib.rs:401:4
[INFO] [stderr]     |
[INFO] [stderr] 401 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pollard_rho`
[INFO] [stderr]    --> src/lib.rs:457:4
[INFO] [stderr]     |
[INFO] [stderr] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |     let mut i: usize = 0usize;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter`
[INFO] [stderr]    --> src/lib.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |     let mut counter: usize = 10usize;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:457:16
[INFO] [stderr]     |
[INFO] [stderr] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/lib.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |             i = i + 2usize;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:457:16
[INFO] [stderr]     |
[INFO] [stderr] 457 | fn pollard_rho(mut n: BigUint) {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:468:9
[INFO] [stderr]     |
[INFO] [stderr] 468 |     let mut y = &zero;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |     let mut i: usize = 0usize;
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |     let mut counter: usize = 10usize;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_safe_prime_add`
[INFO] [stderr]    --> src/lib.rs:401:4
[INFO] [stderr]     |
[INFO] [stderr] 401 | fn is_safe_prime_add(number: &BigUint) -> bool {    
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pollard_rho`
[INFO] [stderr]    --> src/lib.rs:457:4
[INFO] [stderr]     |
[INFO] [stderr] 457 | fn pollard_rho(mut n: BigUint) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'num_primes::Verification::is_very_smooth_number'
[INFO] [stderr]   --> tests/very_smooth_number.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let result: bool = Verification::is_very_smooth_number(&x,31.0,5);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated item 'num_primes::Verification::is_very_smooth_number'
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> examples/vsn.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let result: bool = Verification::is_very_smooth_number(&x,31.0,5);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/num_primes-c42ec8539506ed96
[INFO] [stdout] test prime_factor ... ok
[INFO] [stdout] test generate ... ok
[INFO] [stdout] test generate_safe_prime ... test generate_safe_prime has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "94fadde2c976a99257b04dd31b925b25238c9d54b9f092c30dfb69e343fa63e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fadde2c976a99257b04dd31b925b25238c9d54b9f092c30dfb69e343fa63e8", kill_on_drop: false }`
[INFO] [stdout] 94fadde2c976a99257b04dd31b925b25238c9d54b9f092c30dfb69e343fa63e8