[INFO] fetching crate rustgym-testcpp 0.1.0...
[INFO] testing rustgym-testcpp-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rustgym-testcpp 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rustgym-testcpp 0.1.0 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 rustgym-testcpp 0.1.0
[INFO] finished tweaking crates.io crate rustgym-testcpp 0.1.0
[INFO] tweaked toml for crates.io crate rustgym-testcpp 0.1.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 5fb2151c77f1dc69a97587698c6be16d12d0b66ad7ebe8eaaf2ceb019b5ee11f
[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" "5fb2151c77f1dc69a97587698c6be16d12d0b66ad7ebe8eaaf2ceb019b5ee11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fb2151c77f1dc69a97587698c6be16d12d0b66ad7ebe8eaaf2ceb019b5ee11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb2151c77f1dc69a97587698c6be16d12d0b66ad7ebe8eaaf2ceb019b5ee11f", kill_on_drop: false }`
[INFO] [stdout] 5fb2151c77f1dc69a97587698c6be16d12d0b66ad7ebe8eaaf2ceb019b5ee11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6f4e594b110609962b116699fa80d8bc571e8757cb8445314ed6dd39ec4cd850
[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" "6f4e594b110609962b116699fa80d8bc571e8757cb8445314ed6dd39ec4cd850", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustgym-testcpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "6f4e594b110609962b116699fa80d8bc571e8757cb8445314ed6dd39ec4cd850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4e594b110609962b116699fa80d8bc571e8757cb8445314ed6dd39ec4cd850", kill_on_drop: false }`
[INFO] [stdout] 6f4e594b110609962b116699fa80d8bc571e8757cb8445314ed6dd39ec4cd850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 878ef80fcc3079921d5f0fcc2a3ef71c0078cc2bfe39b69a3735a64fb3ffefda
[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" "878ef80fcc3079921d5f0fcc2a3ef71c0078cc2bfe39b69a3735a64fb3ffefda", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustgym-testcpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "878ef80fcc3079921d5f0fcc2a3ef71c0078cc2bfe39b69a3735a64fb3ffefda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878ef80fcc3079921d5f0fcc2a3ef71c0078cc2bfe39b69a3735a64fb3ffefda", kill_on_drop: false }`
[INFO] [stdout] 878ef80fcc3079921d5f0fcc2a3ef71c0078cc2bfe39b69a3735a64fb3ffefda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 4af5e580a882125fb213a8a700ef4ee03ceedb7d112cf2ba3bdfb65332a7213e
[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" "4af5e580a882125fb213a8a700ef4ee03ceedb7d112cf2ba3bdfb65332a7213e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustgym_testcpp-b2cf58603f3a7b58
[INFO] [stderr]    Doc-tests rustgym-testcpp
[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" "4af5e580a882125fb213a8a700ef4ee03ceedb7d112cf2ba3bdfb65332a7213e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af5e580a882125fb213a8a700ef4ee03ceedb7d112cf2ba3bdfb65332a7213e", kill_on_drop: false }`
[INFO] [stdout] 4af5e580a882125fb213a8a700ef4ee03ceedb7d112cf2ba3bdfb65332a7213e