[INFO] cloning repository https://github.com/RustExamples/nth_fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustExamples/nth_fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fnth_fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fnth_fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e0c766f4d5f16d6ff431c481f0ec40a809a8de7
[INFO] testing RustExamples/nth_fibonacci against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fnth_fibonacci" "/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/RustExamples/nth_fibonacci on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustExamples/nth_fibonacci
[INFO] finished tweaking git repo https://github.com/RustExamples/nth_fibonacci
[INFO] tweaked toml for git repo https://github.com/RustExamples/nth_fibonacci written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/RustExamples/nth_fibonacci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] b4926635a0b78f3398517892aa965e5108ff1ca70d7e9a9c3a17b4c8795dd9f5
[INFO] running `Command { std: "docker" "start" "-a" "b4926635a0b78f3398517892aa965e5108ff1ca70d7e9a9c3a17b4c8795dd9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4926635a0b78f3398517892aa965e5108ff1ca70d7e9a9c3a17b4c8795dd9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4926635a0b78f3398517892aa965e5108ff1ca70d7e9a9c3a17b4c8795dd9f5", kill_on_drop: false }`
[INFO] [stdout] b4926635a0b78f3398517892aa965e5108ff1ca70d7e9a9c3a17b4c8795dd9f5
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] f04814652dbe047f17d21fa436945c8476d72926d2dc93bc781fc55fda01e8ee
[INFO] running `Command { std: "docker" "start" "-a" "f04814652dbe047f17d21fa436945c8476d72926d2dc93bc781fc55fda01e8ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling nth_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f04814652dbe047f17d21fa436945c8476d72926d2dc93bc781fc55fda01e8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04814652dbe047f17d21fa436945c8476d72926d2dc93bc781fc55fda01e8ee", kill_on_drop: false }`
[INFO] [stdout] f04814652dbe047f17d21fa436945c8476d72926d2dc93bc781fc55fda01e8ee
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 16190b2166d977e2ff3e677b28cea88ce3238a4f76fa1a9f70ce01958d892b85
[INFO] running `Command { std: "docker" "start" "-a" "16190b2166d977e2ff3e677b28cea88ce3238a4f76fa1a9f70ce01958d892b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling nth_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "16190b2166d977e2ff3e677b28cea88ce3238a4f76fa1a9f70ce01958d892b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16190b2166d977e2ff3e677b28cea88ce3238a4f76fa1a9f70ce01958d892b85", kill_on_drop: false }`
[INFO] [stdout] 16190b2166d977e2ff3e677b28cea88ce3238a4f76fa1a9f70ce01958d892b85
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] efaeffc087950cd4a8bc4a25ab506736c393fc845613ad47ab6469bac21d2cf8
[INFO] running `Command { std: "docker" "start" "-a" "efaeffc087950cd4a8bc4a25ab506736c393fc845613ad47ab6469bac21d2cf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nth_fibonacci-936419f28373af30)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "efaeffc087950cd4a8bc4a25ab506736c393fc845613ad47ab6469bac21d2cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efaeffc087950cd4a8bc4a25ab506736c393fc845613ad47ab6469bac21d2cf8", kill_on_drop: false }`
[INFO] [stdout] efaeffc087950cd4a8bc4a25ab506736c393fc845613ad47ab6469bac21d2cf8