[INFO] fetching crate helloworld-yliu 0.1.1...
[INFO] testing helloworld-yliu-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate helloworld-yliu 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate helloworld-yliu 0.1.1 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 helloworld-yliu 0.1.1
[INFO] finished tweaking crates.io crate helloworld-yliu 0.1.1
[INFO] tweaked toml for crates.io crate helloworld-yliu 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate helloworld-yliu 0.1.1 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 98a736245be68fdad11b83fe49b7fab910fbf93589d40005f1c7537e8bdcaf6b
[INFO] running `Command { std: "docker" "start" "-a" "98a736245be68fdad11b83fe49b7fab910fbf93589d40005f1c7537e8bdcaf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a736245be68fdad11b83fe49b7fab910fbf93589d40005f1c7537e8bdcaf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a736245be68fdad11b83fe49b7fab910fbf93589d40005f1c7537e8bdcaf6b", kill_on_drop: false }`
[INFO] [stdout] 98a736245be68fdad11b83fe49b7fab910fbf93589d40005f1c7537e8bdcaf6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 48b1e27651e24b299806f68f8e54269dbd453aad0a47b35f6c786c51e4fafc21
[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" "48b1e27651e24b299806f68f8e54269dbd453aad0a47b35f6c786c51e4fafc21", kill_on_drop: false }`
[INFO] [stderr]    Compiling helloworld-yliu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "48b1e27651e24b299806f68f8e54269dbd453aad0a47b35f6c786c51e4fafc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b1e27651e24b299806f68f8e54269dbd453aad0a47b35f6c786c51e4fafc21", kill_on_drop: false }`
[INFO] [stdout] 48b1e27651e24b299806f68f8e54269dbd453aad0a47b35f6c786c51e4fafc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9194e52dc77f782325063410ad03ecff4f421ef33d83c15b8a234d6ec3e5096d
[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" "9194e52dc77f782325063410ad03ecff4f421ef33d83c15b8a234d6ec3e5096d", kill_on_drop: false }`
[INFO] [stderr]    Compiling helloworld-yliu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "9194e52dc77f782325063410ad03ecff4f421ef33d83c15b8a234d6ec3e5096d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9194e52dc77f782325063410ad03ecff4f421ef33d83c15b8a234d6ec3e5096d", kill_on_drop: false }`
[INFO] [stdout] 9194e52dc77f782325063410ad03ecff4f421ef33d83c15b8a234d6ec3e5096d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2e227f1a17ca224a970cf9959dac2e015b4bd6ca9724abb0e869fa54e7a19ee8
[INFO] running `Command { std: "docker" "start" "-a" "2e227f1a17ca224a970cf9959dac2e015b4bd6ca9724abb0e869fa54e7a19ee8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helloworld_yliu-228342afd68ad995
[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" "2e227f1a17ca224a970cf9959dac2e015b4bd6ca9724abb0e869fa54e7a19ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e227f1a17ca224a970cf9959dac2e015b4bd6ca9724abb0e869fa54e7a19ee8", kill_on_drop: false }`
[INFO] [stdout] 2e227f1a17ca224a970cf9959dac2e015b4bd6ca9724abb0e869fa54e7a19ee8