[INFO] updating cached repository https://github.com/DanzCode/OS2-Task1
[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] a18a5cc7d6793dbea2f2bf6caba45eec243f9b6d
[INFO] testing DanzCode/OS2-Task1 against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanzCode%2FOS2-Task1" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanzCode/OS2-Task1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DanzCode/OS2-Task1
[INFO] finished tweaking git repo https://github.com/DanzCode/OS2-Task1
[INFO] tweaked toml for git repo https://github.com/DanzCode/OS2-Task1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DanzCode/OS2-Task1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a9fab7f80778e7df28f67ebc0c8b7662b34730df72330703fa6d0a51ff32236
[INFO] running `"docker" "start" "-a" "0a9fab7f80778e7df28f67ebc0c8b7662b34730df72330703fa6d0a51ff32236"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling aufgabe1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `fib_it`
[INFO] [stderr]  --> src/main.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn fib_it(t: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fib_rc`
[INFO] [stderr]   --> src/main.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn fib_rc(t: u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gcd_it`
[INFO] [stderr]   --> src/main.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn gcd_it(mut a: u32,mut b:u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gcd_rc`
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn gcd_rc(a: u32,b:u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "0a9fab7f80778e7df28f67ebc0c8b7662b34730df72330703fa6d0a51ff32236"`
[INFO] running `"docker" "rm" "-f" "0a9fab7f80778e7df28f67ebc0c8b7662b34730df72330703fa6d0a51ff32236"`
[INFO] [stdout] 0a9fab7f80778e7df28f67ebc0c8b7662b34730df72330703fa6d0a51ff32236
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b1bb40d2df8bafdc47e20482afd03ba67bf391956ec52f4c69c14ff5283a951a
[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" "b1bb40d2df8bafdc47e20482afd03ba67bf391956ec52f4c69c14ff5283a951a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling aufgabe1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "b1bb40d2df8bafdc47e20482afd03ba67bf391956ec52f4c69c14ff5283a951a"`
[INFO] running `"docker" "rm" "-f" "b1bb40d2df8bafdc47e20482afd03ba67bf391956ec52f4c69c14ff5283a951a"`
[INFO] [stdout] b1bb40d2df8bafdc47e20482afd03ba67bf391956ec52f4c69c14ff5283a951a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "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] 38e710c17cff0640180741bdf3414e26d6094500c6d1e4dec4fd0e3bbfe7aaa9
[INFO] running `"docker" "start" "-a" "38e710c17cff0640180741bdf3414e26d6094500c6d1e4dec4fd0e3bbfe7aaa9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aufgabe1-ebe943407b98a2be
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_fibonacci_iterative ... ok
[INFO] [stdout] test tests::test_fibonacci_recursive ... ok
[INFO] [stdout] test tests::test_swap ... ok
[INFO] [stdout] test tests::test_gcd_recursive ... ok
[INFO] [stdout] test tests::test_gcd_iterative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "38e710c17cff0640180741bdf3414e26d6094500c6d1e4dec4fd0e3bbfe7aaa9"`
[INFO] running `"docker" "rm" "-f" "38e710c17cff0640180741bdf3414e26d6094500c6d1e4dec4fd0e3bbfe7aaa9"`
[INFO] [stdout] 38e710c17cff0640180741bdf3414e26d6094500c6d1e4dec4fd0e3bbfe7aaa9