[INFO] fetching crate sp-npos-elections-compact 2.0.0...
[INFO] testing sp-npos-elections-compact-2.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sp-npos-elections-compact 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sp-npos-elections-compact 2.0.0 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 sp-npos-elections-compact 2.0.0
[INFO] finished tweaking crates.io crate sp-npos-elections-compact 2.0.0
[INFO] tweaked toml for crates.io crate sp-npos-elections-compact 2.0.0 written to /workspace/builds/worker-5/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-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] 006ff87cd0f86e36f3e8f2bd909ca6544cca164b18119740d0682e5e91faaadb
[INFO] running `Command { std: "docker" "start" "-a" "006ff87cd0f86e36f3e8f2bd909ca6544cca164b18119740d0682e5e91faaadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "006ff87cd0f86e36f3e8f2bd909ca6544cca164b18119740d0682e5e91faaadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006ff87cd0f86e36f3e8f2bd909ca6544cca164b18119740d0682e5e91faaadb", kill_on_drop: false }`
[INFO] [stdout] 006ff87cd0f86e36f3e8f2bd909ca6544cca164b18119740d0682e5e91faaadb
[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] 96c27e3e5a413e76da503ff2eed977c54ec36e12f43be21b73fee40a470d6ead
[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" "96c27e3e5a413e76da503ff2eed977c54ec36e12f43be21b73fee40a470d6ead", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "96c27e3e5a413e76da503ff2eed977c54ec36e12f43be21b73fee40a470d6ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c27e3e5a413e76da503ff2eed977c54ec36e12f43be21b73fee40a470d6ead", kill_on_drop: false }`
[INFO] [stdout] 96c27e3e5a413e76da503ff2eed977c54ec36e12f43be21b73fee40a470d6ead
[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] 700e16d8abdfdcb3a48a0a3c050ee76f2578d1d9e9e8e0008e203c85f53245de
[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" "700e16d8abdfdcb3a48a0a3c050ee76f2578d1d9e9e8e0008e203c85f53245de", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "700e16d8abdfdcb3a48a0a3c050ee76f2578d1d9e9e8e0008e203c85f53245de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700e16d8abdfdcb3a48a0a3c050ee76f2578d1d9e9e8e0008e203c85f53245de", kill_on_drop: false }`
[INFO] [stdout] 700e16d8abdfdcb3a48a0a3c050ee76f2578d1d9e9e8e0008e203c85f53245de
[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] 9b6a2e2d13c9a646ce2a31dbf86989382ef88cf7c8c4f6526d63a65eadefe25e
[INFO] running `Command { std: "docker" "start" "-a" "9b6a2e2d13c9a646ce2a31dbf86989382ef88cf7c8c4f6526d63a65eadefe25e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sp_npos_elections_compact-919d4c6a59b29112
[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] [stderr]    Doc-tests sp-npos-elections-compact
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - generate_solution_type (line 55) ... ignored
[INFO] [stdout] test src/lib.rs - generate_solution_type (line 68) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b6a2e2d13c9a646ce2a31dbf86989382ef88cf7c8c4f6526d63a65eadefe25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6a2e2d13c9a646ce2a31dbf86989382ef88cf7c8c4f6526d63a65eadefe25e", kill_on_drop: false }`
[INFO] [stdout] 9b6a2e2d13c9a646ce2a31dbf86989382ef88cf7c8c4f6526d63a65eadefe25e