[INFO] cloning repository https://github.com/RustCourse/fibonacci_number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustCourse/fibonacci_number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustCourse%2Ffibonacci_number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustCourse%2Ffibonacci_number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e01041e536efd56bbd43e4c5b4187a13ca9c0469
[INFO] checking RustCourse/fibonacci_number against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustCourse%2Ffibonacci_number" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustCourse/fibonacci_number on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustCourse/fibonacci_number
[INFO] finished tweaking git repo https://github.com/RustCourse/fibonacci_number
[INFO] tweaked toml for git repo https://github.com/RustCourse/fibonacci_number written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/RustCourse/fibonacci_number already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--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-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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a531a25c1a7e03aa36bca0b9741bc7d7c8cb06b275d1020df43256b7bb30d75
[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" "5a531a25c1a7e03aa36bca0b9741bc7d7c8cb06b275d1020df43256b7bb30d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a531a25c1a7e03aa36bca0b9741bc7d7c8cb06b275d1020df43256b7bb30d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a531a25c1a7e03aa36bca0b9741bc7d7c8cb06b275d1020df43256b7bb30d75", kill_on_drop: false }`
[INFO] [stdout] 5a531a25c1a7e03aa36bca0b9741bc7d7c8cb06b275d1020df43256b7bb30d75
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8245b44f11093dc47d7aadcd937a7b4123ade50898e425bf1fcb1dd4215a73
[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" "6b8245b44f11093dc47d7aadcd937a7b4123ade50898e425bf1fcb1dd4215a73", kill_on_drop: false }`
[INFO] [stderr]     Checking fibonacci_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "6b8245b44f11093dc47d7aadcd937a7b4123ade50898e425bf1fcb1dd4215a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8245b44f11093dc47d7aadcd937a7b4123ade50898e425bf1fcb1dd4215a73", kill_on_drop: false }`
[INFO] [stdout] 6b8245b44f11093dc47d7aadcd937a7b4123ade50898e425bf1fcb1dd4215a73