[INFO] fetching crate lovecraft 0.2.0...
[INFO] testing lovecraft-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lovecraft 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lovecraft 0.2.0 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 lovecraft 0.2.0
[INFO] finished tweaking crates.io crate lovecraft 0.2.0
[INFO] tweaked toml for crates.io crate lovecraft 0.2.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 967dd009e74df33597bd560908760b564b8d594e6eadceefb34ceff9be0c17d8
[INFO] running `Command { std: "docker" "start" "-a" "967dd009e74df33597bd560908760b564b8d594e6eadceefb34ceff9be0c17d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967dd009e74df33597bd560908760b564b8d594e6eadceefb34ceff9be0c17d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967dd009e74df33597bd560908760b564b8d594e6eadceefb34ceff9be0c17d8", kill_on_drop: false }`
[INFO] [stdout] 967dd009e74df33597bd560908760b564b8d594e6eadceefb34ceff9be0c17d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 45400ded0cf7aa78a2755a91841e67323bf63dd17179d9ed32c7228ae725fa1f
[INFO] running `Command { std: "docker" "start" "-a" "45400ded0cf7aa78a2755a91841e67323bf63dd17179d9ed32c7228ae725fa1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lovecraft v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "45400ded0cf7aa78a2755a91841e67323bf63dd17179d9ed32c7228ae725fa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45400ded0cf7aa78a2755a91841e67323bf63dd17179d9ed32c7228ae725fa1f", kill_on_drop: false }`
[INFO] [stdout] 45400ded0cf7aa78a2755a91841e67323bf63dd17179d9ed32c7228ae725fa1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 33281172a30a4cd8ae5c2ea0d84417e6eb80fb19570a53b41c3e67e4734851fe
[INFO] running `Command { std: "docker" "start" "-a" "33281172a30a4cd8ae5c2ea0d84417e6eb80fb19570a53b41c3e67e4734851fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling lovecraft v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "33281172a30a4cd8ae5c2ea0d84417e6eb80fb19570a53b41c3e67e4734851fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33281172a30a4cd8ae5c2ea0d84417e6eb80fb19570a53b41c3e67e4734851fe", kill_on_drop: false }`
[INFO] [stdout] 33281172a30a4cd8ae5c2ea0d84417e6eb80fb19570a53b41c3e67e4734851fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] f6cf716dba7c68950656bb3a27c926e1f8312a7c9971e6d05001dda677b7c0a2
[INFO] running `Command { std: "docker" "start" "-a" "f6cf716dba7c68950656bb3a27c926e1f8312a7c9971e6d05001dda677b7c0a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lovecraft-e9bb201b3a6f24b5
[INFO] [stderr]    Doc-tests lovecraft
[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] [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" "f6cf716dba7c68950656bb3a27c926e1f8312a7c9971e6d05001dda677b7c0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cf716dba7c68950656bb3a27c926e1f8312a7c9971e6d05001dda677b7c0a2", kill_on_drop: false }`
[INFO] [stdout] f6cf716dba7c68950656bb3a27c926e1f8312a7c9971e6d05001dda677b7c0a2