[INFO] cloning repository https://github.com/kumar2000s/rust_fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kumar2000s/rust_fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumar2000s%2Frust_fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumar2000s%2Frust_fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdab7071aa0bd707987527b98feaba352240d5c0
[INFO] checking kumar2000s/rust_fibonacci against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumar2000s%2Frust_fibonacci" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kumar2000s/rust_fibonacci on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kumar2000s/rust_fibonacci
[INFO] finished tweaking git repo https://github.com/kumar2000s/rust_fibonacci
[INFO] tweaked toml for git repo https://github.com/kumar2000s/rust_fibonacci written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kumar2000s/rust_fibonacci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] e39d4009b90e6d93e9eddb8a6ce3fbccf3e54a4d181cd64134886ab44618b82f
[INFO] running `Command { std: "docker" "start" "-a" "e39d4009b90e6d93e9eddb8a6ce3fbccf3e54a4d181cd64134886ab44618b82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e39d4009b90e6d93e9eddb8a6ce3fbccf3e54a4d181cd64134886ab44618b82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39d4009b90e6d93e9eddb8a6ce3fbccf3e54a4d181cd64134886ab44618b82f", kill_on_drop: false }`
[INFO] [stdout] e39d4009b90e6d93e9eddb8a6ce3fbccf3e54a4d181cd64134886ab44618b82f
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877e6d5b0485648f2b277b02126d611a9ae976bf99c7f33fdcfa4823eb6c683b
[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" "877e6d5b0485648f2b277b02126d611a9ae976bf99c7f33fdcfa4823eb6c683b", kill_on_drop: false }`
[INFO] [stderr]     Checking fibnocci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "877e6d5b0485648f2b277b02126d611a9ae976bf99c7f33fdcfa4823eb6c683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877e6d5b0485648f2b277b02126d611a9ae976bf99c7f33fdcfa4823eb6c683b", kill_on_drop: false }`
[INFO] [stdout] 877e6d5b0485648f2b277b02126d611a9ae976bf99c7f33fdcfa4823eb6c683b