[INFO] cloning repository https://github.com/jmenglis/rust_fib_number_nth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmenglis/rust_fib_number_nth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmenglis%2Frust_fib_number_nth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmenglis%2Frust_fib_number_nth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b76b0cc0e70e5a26161de8b41a99ea1598ebde71
[INFO] checking jmenglis/rust_fib_number_nth against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmenglis%2Frust_fib_number_nth" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmenglis/rust_fib_number_nth on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmenglis/rust_fib_number_nth
[INFO] finished tweaking git repo https://github.com/jmenglis/rust_fib_number_nth
[INFO] tweaked toml for git repo https://github.com/jmenglis/rust_fib_number_nth written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jmenglis/rust_fib_number_nth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] cb06b529b011135889e0a4f4734dc36bdc2472ba5361e2cb797813868fd86a07
[INFO] running `Command { std: "docker" "start" "-a" "cb06b529b011135889e0a4f4734dc36bdc2472ba5361e2cb797813868fd86a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb06b529b011135889e0a4f4734dc36bdc2472ba5361e2cb797813868fd86a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb06b529b011135889e0a4f4734dc36bdc2472ba5361e2cb797813868fd86a07", kill_on_drop: false }`
[INFO] [stdout] cb06b529b011135889e0a4f4734dc36bdc2472ba5361e2cb797813868fd86a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e5d833b6773124b3c1b99c88d84accfd28693ccdd43383fb5f2f63d9444cf7
[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" "f2e5d833b6773124b3c1b99c88d84accfd28693ccdd43383fb5f2f63d9444cf7", kill_on_drop: false }`
[INFO] [stderr]     Checking fib_number_nth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "f2e5d833b6773124b3c1b99c88d84accfd28693ccdd43383fb5f2f63d9444cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e5d833b6773124b3c1b99c88d84accfd28693ccdd43383fb5f2f63d9444cf7", kill_on_drop: false }`
[INFO] [stdout] f2e5d833b6773124b3c1b99c88d84accfd28693ccdd43383fb5f2f63d9444cf7