[INFO] updating cached repository https://github.com/rHermes/rusty-euler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 07d79658f70957edf02e6eab34749dbee2d46469
[INFO] testing rHermes/rusty-euler against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrHermes%2Frusty-euler" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rHermes/rusty-euler on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rHermes/rusty-euler
[INFO] finished tweaking git repo https://github.com/rHermes/rusty-euler
[INFO] tweaked toml for git repo https://github.com/rHermes/rusty-euler written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rHermes/rusty-euler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] e4d948d4acbc34156de9b5bb2c445bcd8a73078e105cf4c0789174fb7ec2c876
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e4d948d4acbc34156de9b5bb2c445bcd8a73078e105cf4c0789174fb7ec2c876"`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `primes_below`
[INFO] [stderr]  --> src/primes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn primes_below(n: 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]   --> src/primes.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn is_prime(n: u64, primes: &[u64]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `nth_prime`
[INFO] [stderr]   --> src/primes.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn nth_prime(n: usize) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `"docker" "inspect" "e4d948d4acbc34156de9b5bb2c445bcd8a73078e105cf4c0789174fb7ec2c876"`
[INFO] running `"docker" "rm" "-f" "e4d948d4acbc34156de9b5bb2c445bcd8a73078e105cf4c0789174fb7ec2c876"`
[INFO] [stdout] e4d948d4acbc34156de9b5bb2c445bcd8a73078e105cf4c0789174fb7ec2c876
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 299aa544e2659e043e5c74e4657bc81d8db09cb918bab36e01332b7f9d0ef7c8
[INFO] running `"docker" "start" "-a" "299aa544e2659e043e5c74e4657bc81d8db09cb918bab36e01332b7f9d0ef7c8"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `primes_below`
[INFO] [stderr]  --> src/primes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn primes_below(n: 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]   --> src/primes.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn is_prime(n: u64, primes: &[u64]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `nth_prime`
[INFO] [stderr]   --> src/primes.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn nth_prime(n: usize) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "299aa544e2659e043e5c74e4657bc81d8db09cb918bab36e01332b7f9d0ef7c8"`
[INFO] running `"docker" "rm" "-f" "299aa544e2659e043e5c74e4657bc81d8db09cb918bab36e01332b7f9d0ef7c8"`
[INFO] [stdout] 299aa544e2659e043e5c74e4657bc81d8db09cb918bab36e01332b7f9d0ef7c8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54edeaf4c45f947d28dc26199bd5bee91e2500448a1287df42be8e1d129946b2
[INFO] running `"docker" "start" "-a" "54edeaf4c45f947d28dc26199bd5bee91e2500448a1287df42be8e1d129946b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `primes_below`
[INFO] [stderr]  --> src/primes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn primes_below(n: 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]   --> src/primes.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn is_prime(n: u64, primes: &[u64]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `nth_prime`
[INFO] [stderr]   --> src/primes.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn nth_prime(n: usize) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-810743ed665a802f
[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" "54edeaf4c45f947d28dc26199bd5bee91e2500448a1287df42be8e1d129946b2"`
[INFO] running `"docker" "rm" "-f" "54edeaf4c45f947d28dc26199bd5bee91e2500448a1287df42be8e1d129946b2"`
[INFO] [stdout] 54edeaf4c45f947d28dc26199bd5bee91e2500448a1287df42be8e1d129946b2