[INFO] cloning repository https://github.com/TheDreamatorium/fibonacci_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheDreamatorium/fibonacci_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheDreamatorium%2Ffibonacci_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheDreamatorium%2Ffibonacci_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b04e5628ceab06f56b0a5d21df224c1797990ed3
[INFO] testing TheDreamatorium/fibonacci_rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheDreamatorium%2Ffibonacci_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheDreamatorium/fibonacci_rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheDreamatorium/fibonacci_rust
[INFO] finished tweaking git repo https://github.com/TheDreamatorium/fibonacci_rust
[INFO] tweaked toml for git repo https://github.com/TheDreamatorium/fibonacci_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheDreamatorium/fibonacci_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 8921bdd92c4c5002f2bc832f2b255efca73f76fa443a0e40ae4e46b26982cd95
[INFO] running `Command { std: "docker" "start" "-a" "8921bdd92c4c5002f2bc832f2b255efca73f76fa443a0e40ae4e46b26982cd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8921bdd92c4c5002f2bc832f2b255efca73f76fa443a0e40ae4e46b26982cd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8921bdd92c4c5002f2bc832f2b255efca73f76fa443a0e40ae4e46b26982cd95", kill_on_drop: false }`
[INFO] [stdout] 8921bdd92c4c5002f2bc832f2b255efca73f76fa443a0e40ae4e46b26982cd95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] c358ab820b0a08dff2206d5a0edcb6fbcf0e97d5d717189780eb83d5e19df590
[INFO] running `Command { std: "docker" "start" "-a" "c358ab820b0a08dff2206d5a0edcb6fbcf0e97d5d717189780eb83d5e19df590", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci_finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "c358ab820b0a08dff2206d5a0edcb6fbcf0e97d5d717189780eb83d5e19df590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c358ab820b0a08dff2206d5a0edcb6fbcf0e97d5d717189780eb83d5e19df590", kill_on_drop: false }`
[INFO] [stdout] c358ab820b0a08dff2206d5a0edcb6fbcf0e97d5d717189780eb83d5e19df590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 743640e5a8c385d8efa49b54ef26aaff0f8b543852437f81bfbdc92fd3df37c4
[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" "743640e5a8c385d8efa49b54ef26aaff0f8b543852437f81bfbdc92fd3df37c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci_finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "743640e5a8c385d8efa49b54ef26aaff0f8b543852437f81bfbdc92fd3df37c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743640e5a8c385d8efa49b54ef26aaff0f8b543852437f81bfbdc92fd3df37c4", kill_on_drop: false }`
[INFO] [stdout] 743640e5a8c385d8efa49b54ef26aaff0f8b543852437f81bfbdc92fd3df37c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb3353f4c8db10e2f7f2e6121f8ee359b4b3688b53349a238cd480e1145190bc
[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" "fb3353f4c8db10e2f7f2e6121f8ee359b4b3688b53349a238cd480e1145190bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fibonacci_finder-33696f1722d05428
[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 `Command { std: "docker" "inspect" "fb3353f4c8db10e2f7f2e6121f8ee359b4b3688b53349a238cd480e1145190bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3353f4c8db10e2f7f2e6121f8ee359b4b3688b53349a238cd480e1145190bc", kill_on_drop: false }`
[INFO] [stdout] fb3353f4c8db10e2f7f2e6121f8ee359b4b3688b53349a238cd480e1145190bc