[INFO] fetching crate datalog 0.0.2...
[INFO] testing datalog-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate datalog 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate datalog 0.0.2 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 datalog 0.0.2
[INFO] finished tweaking crates.io crate datalog 0.0.2
[INFO] tweaked toml for crates.io crate datalog 0.0.2 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8899c81c5b14d5aa74ed34afc54f747b4cbb02741ef63b45e80094cf16c556d6
[INFO] running `Command { std: "docker" "start" "-a" "8899c81c5b14d5aa74ed34afc54f747b4cbb02741ef63b45e80094cf16c556d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8899c81c5b14d5aa74ed34afc54f747b4cbb02741ef63b45e80094cf16c556d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8899c81c5b14d5aa74ed34afc54f747b4cbb02741ef63b45e80094cf16c556d6", kill_on_drop: false }`
[INFO] [stdout] 8899c81c5b14d5aa74ed34afc54f747b4cbb02741ef63b45e80094cf16c556d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 99f7a91f98d1876bb6dbf6e1bfdd9fc2e960c47931d7691f3fcdcdc49cb898b9
[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" "99f7a91f98d1876bb6dbf6e1bfdd9fc2e960c47931d7691f3fcdcdc49cb898b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling datalog v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "99f7a91f98d1876bb6dbf6e1bfdd9fc2e960c47931d7691f3fcdcdc49cb898b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f7a91f98d1876bb6dbf6e1bfdd9fc2e960c47931d7691f3fcdcdc49cb898b9", kill_on_drop: false }`
[INFO] [stdout] 99f7a91f98d1876bb6dbf6e1bfdd9fc2e960c47931d7691f3fcdcdc49cb898b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 831b897b039a8997593b797aa7c434e3737109b4c2cdd12fa7ffdc7dfa7af515
[INFO] running `Command { std: "docker" "start" "-a" "831b897b039a8997593b797aa7c434e3737109b4c2cdd12fa7ffdc7dfa7af515", kill_on_drop: false }`
[INFO] [stderr]    Compiling datalog v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "831b897b039a8997593b797aa7c434e3737109b4c2cdd12fa7ffdc7dfa7af515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831b897b039a8997593b797aa7c434e3737109b4c2cdd12fa7ffdc7dfa7af515", kill_on_drop: false }`
[INFO] [stdout] 831b897b039a8997593b797aa7c434e3737109b4c2cdd12fa7ffdc7dfa7af515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 72b77338ef448a5c80a0340aefc35fa074874802746e8f457a962cab183a19b6
[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" "72b77338ef448a5c80a0340aefc35fa074874802746e8f457a962cab183a19b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/datalog-499abd59ccf23256
[INFO] [stdout] running 2 tests
[INFO] [stdout] test predicates::tests::facts ... ok
[INFO] [stdout] test predicates::tests::queries ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests datalog
[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" "72b77338ef448a5c80a0340aefc35fa074874802746e8f457a962cab183a19b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b77338ef448a5c80a0340aefc35fa074874802746e8f457a962cab183a19b6", kill_on_drop: false }`
[INFO] [stdout] 72b77338ef448a5c80a0340aefc35fa074874802746e8f457a962cab183a19b6