[INFO] updating cached repository https://github.com/DdZ-Fred/rust_nth_fibonacci_number [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c32896563af82afb8aa4f5fd685c5af31f7f364 [INFO] testing DdZ-Fred/rust_nth_fibonacci_number against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_nth_fibonacci_number" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number 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 git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number [INFO] finished tweaking git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number [INFO] tweaked toml for git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 987967e386ebe560ca3f3146d116ef0dae656e6729d07c0caff8c88023577f98 [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" "987967e386ebe560ca3f3146d116ef0dae656e6729d07c0caff8c88023577f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "987967e386ebe560ca3f3146d116ef0dae656e6729d07c0caff8c88023577f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "987967e386ebe560ca3f3146d116ef0dae656e6729d07c0caff8c88023577f98", kill_on_drop: false }` [INFO] [stdout] 987967e386ebe560ca3f3146d116ef0dae656e6729d07c0caff8c88023577f98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5864ef63e05ec8b18a2ac239b74efa7a085cb6ea2bd1ebaeb9b4a4414307e5c5 [INFO] running `Command { std: "docker" "start" "-a" "5864ef63e05ec8b18a2ac239b74efa7a085cb6ea2bd1ebaeb9b4a4414307e5c5", kill_on_drop: false }` [INFO] [stderr] Compiling rust_nth_fibonacci_number v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "5864ef63e05ec8b18a2ac239b74efa7a085cb6ea2bd1ebaeb9b4a4414307e5c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5864ef63e05ec8b18a2ac239b74efa7a085cb6ea2bd1ebaeb9b4a4414307e5c5", kill_on_drop: false }` [INFO] [stdout] 5864ef63e05ec8b18a2ac239b74efa7a085cb6ea2bd1ebaeb9b4a4414307e5c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2776b8618096a2d2cb149d9477632997e893b1c32741b07ba9aa7e2d481b9116 [INFO] running `Command { std: "docker" "start" "-a" "2776b8618096a2d2cb149d9477632997e893b1c32741b07ba9aa7e2d481b9116", kill_on_drop: false }` [INFO] [stderr] Compiling rust_nth_fibonacci_number v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "2776b8618096a2d2cb149d9477632997e893b1c32741b07ba9aa7e2d481b9116", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2776b8618096a2d2cb149d9477632997e893b1c32741b07ba9aa7e2d481b9116", kill_on_drop: false }` [INFO] [stdout] 2776b8618096a2d2cb149d9477632997e893b1c32741b07ba9aa7e2d481b9116 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2626f54fd863cf63ad83bcad3b5721c1088ad7501f280189f7e8a870b73b2a43 [INFO] running `Command { std: "docker" "start" "-a" "2626f54fd863cf63ad83bcad3b5721c1088ad7501f280189f7e8a870b73b2a43", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_nth_fibonacci_number-1ab0fafb4d2e6c96 [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 `Command { std: "docker" "inspect" "2626f54fd863cf63ad83bcad3b5721c1088ad7501f280189f7e8a870b73b2a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2626f54fd863cf63ad83bcad3b5721c1088ad7501f280189f7e8a870b73b2a43", kill_on_drop: false }` [INFO] [stdout] 2626f54fd863cf63ad83bcad3b5721c1088ad7501f280189f7e8a870b73b2a43