[INFO] fetching crate powerset-enum-attr 0.1.0...
[INFO] testing powerset-enum-attr-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate powerset-enum-attr 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate powerset-enum-attr 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 powerset-enum-attr 0.1.0
[INFO] finished tweaking crates.io crate powerset-enum-attr 0.1.0
[INFO] tweaked toml for crates.io crate powerset-enum-attr 0.1.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d4dd95286709251a8f0ff9d94fe5e8be8dfa49c5c766ad803fe0d7c1e3f879aa
[INFO] running `Command { std: "docker" "start" "-a" "d4dd95286709251a8f0ff9d94fe5e8be8dfa49c5c766ad803fe0d7c1e3f879aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4dd95286709251a8f0ff9d94fe5e8be8dfa49c5c766ad803fe0d7c1e3f879aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4dd95286709251a8f0ff9d94fe5e8be8dfa49c5c766ad803fe0d7c1e3f879aa", kill_on_drop: false }`
[INFO] [stdout] d4dd95286709251a8f0ff9d94fe5e8be8dfa49c5c766ad803fe0d7c1e3f879aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d155ded16c558a552bc16671322a8b8837e10c59d698dea9f5ed0d1d3dc7ab50
[INFO] running `Command { std: "docker" "start" "-a" "d155ded16c558a552bc16671322a8b8837e10c59d698dea9f5ed0d1d3dc7ab50", kill_on_drop: false }`
[INFO] [stderr]    Compiling powerset-enum-attr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "d155ded16c558a552bc16671322a8b8837e10c59d698dea9f5ed0d1d3dc7ab50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d155ded16c558a552bc16671322a8b8837e10c59d698dea9f5ed0d1d3dc7ab50", kill_on_drop: false }`
[INFO] [stdout] d155ded16c558a552bc16671322a8b8837e10c59d698dea9f5ed0d1d3dc7ab50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f8ae4e4557c7d5ffcb7290ff05e0a8c93f4f94d92fcd6c8ec4e14670a33da0e5
[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" "f8ae4e4557c7d5ffcb7290ff05e0a8c93f4f94d92fcd6c8ec4e14670a33da0e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling powerset-enum-attr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f8ae4e4557c7d5ffcb7290ff05e0a8c93f4f94d92fcd6c8ec4e14670a33da0e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ae4e4557c7d5ffcb7290ff05e0a8c93f4f94d92fcd6c8ec4e14670a33da0e5", kill_on_drop: false }`
[INFO] [stdout] f8ae4e4557c7d5ffcb7290ff05e0a8c93f4f94d92fcd6c8ec4e14670a33da0e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b73a9bfd2af4f7b7b6d0588d56807cf9cbab931bfb255eff26809e74f2583912
[INFO] running `Command { std: "docker" "start" "-a" "b73a9bfd2af4f7b7b6d0588d56807cf9cbab931bfb255eff26809e74f2583912", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/powerset_enum_attr-fdf48de1540f95b8
[INFO] [stderr]    Doc-tests powerset-enum-attr
[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 1 test
[INFO] [stdout] test src/lib.rs - powerset_enum (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b73a9bfd2af4f7b7b6d0588d56807cf9cbab931bfb255eff26809e74f2583912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73a9bfd2af4f7b7b6d0588d56807cf9cbab931bfb255eff26809e74f2583912", kill_on_drop: false }`
[INFO] [stdout] b73a9bfd2af4f7b7b6d0588d56807cf9cbab931bfb255eff26809e74f2583912