[INFO] fetching crate mcl_derive 0.5.0-alpha...
[INFO] testing mcl_derive-0.5.0-alpha against 1.49.0 for beta-1.50-1
[INFO] extracting crate mcl_derive 0.5.0-alpha into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mcl_derive 0.5.0-alpha 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 mcl_derive 0.5.0-alpha
[INFO] finished tweaking crates.io crate mcl_derive 0.5.0-alpha
[INFO] tweaked toml for crates.io crate mcl_derive 0.5.0-alpha written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 89c02afc000cec4b2b2c0f3fe63d8c0a340aa272720378db9dfacf26a8e631f6
[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" "89c02afc000cec4b2b2c0f3fe63d8c0a340aa272720378db9dfacf26a8e631f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c02afc000cec4b2b2c0f3fe63d8c0a340aa272720378db9dfacf26a8e631f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c02afc000cec4b2b2c0f3fe63d8c0a340aa272720378db9dfacf26a8e631f6", kill_on_drop: false }`
[INFO] [stdout] 89c02afc000cec4b2b2c0f3fe63d8c0a340aa272720378db9dfacf26a8e631f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0c53f3e7ed0df64763a63d93d30c4087bfc31f89012944103026ab4859b64fab
[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" "0c53f3e7ed0df64763a63d93d30c4087bfc31f89012944103026ab4859b64fab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling mcl_derive v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.03s
[INFO] running `Command { std: "docker" "inspect" "0c53f3e7ed0df64763a63d93d30c4087bfc31f89012944103026ab4859b64fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c53f3e7ed0df64763a63d93d30c4087bfc31f89012944103026ab4859b64fab", kill_on_drop: false }`
[INFO] [stdout] 0c53f3e7ed0df64763a63d93d30c4087bfc31f89012944103026ab4859b64fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1f5bc6e9f04c3bc979b7b079fa7b58cf7acf946d09cb8bef24d7235a658e751
[INFO] running `Command { std: "docker" "start" "-a" "c1f5bc6e9f04c3bc979b7b079fa7b58cf7acf946d09cb8bef24d7235a658e751", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcl_derive v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "c1f5bc6e9f04c3bc979b7b079fa7b58cf7acf946d09cb8bef24d7235a658e751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f5bc6e9f04c3bc979b7b079fa7b58cf7acf946d09cb8bef24d7235a658e751", kill_on_drop: false }`
[INFO] [stdout] c1f5bc6e9f04c3bc979b7b079fa7b58cf7acf946d09cb8bef24d7235a658e751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 801748b8244b86e7a517fdb04752eaaaff1a6e262e01b0aec4b8c7da50ff7137
[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" "801748b8244b86e7a517fdb04752eaaaff1a6e262e01b0aec4b8c7da50ff7137", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcl_derive-d028dca51f4c53b2
[INFO] [stderr]    Doc-tests mcl_derive
[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" "801748b8244b86e7a517fdb04752eaaaff1a6e262e01b0aec4b8c7da50ff7137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801748b8244b86e7a517fdb04752eaaaff1a6e262e01b0aec4b8c7da50ff7137", kill_on_drop: false }`
[INFO] [stdout] 801748b8244b86e7a517fdb04752eaaaff1a6e262e01b0aec4b8c7da50ff7137