[INFO] fetching crate rfnd-hello-world 1.0.1...
[INFO] testing rfnd-hello-world-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rfnd-hello-world 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rfnd-hello-world 1.0.1 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 crates.io crate rfnd-hello-world 1.0.1
[INFO] finished tweaking crates.io crate rfnd-hello-world 1.0.1
[INFO] tweaked toml for crates.io crate rfnd-hello-world 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] d0cb27698f2d8c01b255f2a697b8e385de33c5d36c24b7f33c85bdda4573939c
[INFO] running `Command { std: "docker" "start" "-a" "d0cb27698f2d8c01b255f2a697b8e385de33c5d36c24b7f33c85bdda4573939c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0cb27698f2d8c01b255f2a697b8e385de33c5d36c24b7f33c85bdda4573939c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cb27698f2d8c01b255f2a697b8e385de33c5d36c24b7f33c85bdda4573939c", kill_on_drop: false }`
[INFO] [stdout] d0cb27698f2d8c01b255f2a697b8e385de33c5d36c24b7f33c85bdda4573939c
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3e45e6e7cb0da9b96b2397cc7f0bec3ec65f49053744c5f3cf7940bb1f21326
[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" "c3e45e6e7cb0da9b96b2397cc7f0bec3ec65f49053744c5f3cf7940bb1f21326", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfnd-hello-world v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c3e45e6e7cb0da9b96b2397cc7f0bec3ec65f49053744c5f3cf7940bb1f21326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e45e6e7cb0da9b96b2397cc7f0bec3ec65f49053744c5f3cf7940bb1f21326", kill_on_drop: false }`
[INFO] [stdout] c3e45e6e7cb0da9b96b2397cc7f0bec3ec65f49053744c5f3cf7940bb1f21326
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcd842389718a25b6f15219c6a33aaff34f3252f621a405743653aac151e459
[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" "7fcd842389718a25b6f15219c6a33aaff34f3252f621a405743653aac151e459", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfnd-hello-world v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "7fcd842389718a25b6f15219c6a33aaff34f3252f621a405743653aac151e459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcd842389718a25b6f15219c6a33aaff34f3252f621a405743653aac151e459", kill_on_drop: false }`
[INFO] [stdout] 7fcd842389718a25b6f15219c6a33aaff34f3252f621a405743653aac151e459
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] e5d1c68f536638cc7e8b4d4c955c457259ce3b62222e7585999f99ad09cb7602
[INFO] running `Command { std: "docker" "start" "-a" "e5d1c68f536638cc7e8b4d4c955c457259ce3b62222e7585999f99ad09cb7602", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rfnd_hello_world-ab23758fd716217e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rfnd-hello-world
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e5d1c68f536638cc7e8b4d4c955c457259ce3b62222e7585999f99ad09cb7602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d1c68f536638cc7e8b4d4c955c457259ce3b62222e7585999f99ad09cb7602", kill_on_drop: false }`
[INFO] [stdout] e5d1c68f536638cc7e8b4d4c955c457259ce3b62222e7585999f99ad09cb7602