[INFO] fetching crate first-unique 0.1.0...
[INFO] testing first-unique-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate first-unique 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate first-unique 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 first-unique 0.1.0
[INFO] finished tweaking crates.io crate first-unique 0.1.0
[INFO] tweaked toml for crates.io crate first-unique 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] [stdout] 1708d60246526762c1cef0969e96019823a0ca063b5e33038f87fe05bd83b795
[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" "1708d60246526762c1cef0969e96019823a0ca063b5e33038f87fe05bd83b795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1708d60246526762c1cef0969e96019823a0ca063b5e33038f87fe05bd83b795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1708d60246526762c1cef0969e96019823a0ca063b5e33038f87fe05bd83b795", kill_on_drop: false }`
[INFO] [stdout] 1708d60246526762c1cef0969e96019823a0ca063b5e33038f87fe05bd83b795
[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] [stdout] 799ed4a5f8b177cf850c35d355b85e71edf2dc8f483092cc7d712620efb28628
[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" "799ed4a5f8b177cf850c35d355b85e71edf2dc8f483092cc7d712620efb28628", kill_on_drop: false }`
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling first-unique v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "799ed4a5f8b177cf850c35d355b85e71edf2dc8f483092cc7d712620efb28628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799ed4a5f8b177cf850c35d355b85e71edf2dc8f483092cc7d712620efb28628", kill_on_drop: false }`
[INFO] [stdout] 799ed4a5f8b177cf850c35d355b85e71edf2dc8f483092cc7d712620efb28628
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2999ba7a8d3ce2a0ddd4324e8ea64e0be8c2baf90bd7bdd6d800956f9da970e3
[INFO] running `Command { std: "docker" "start" "-a" "2999ba7a8d3ce2a0ddd4324e8ea64e0be8c2baf90bd7bdd6d800956f9da970e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling first-unique v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "2999ba7a8d3ce2a0ddd4324e8ea64e0be8c2baf90bd7bdd6d800956f9da970e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2999ba7a8d3ce2a0ddd4324e8ea64e0be8c2baf90bd7bdd6d800956f9da970e3", kill_on_drop: false }`
[INFO] [stdout] 2999ba7a8d3ce2a0ddd4324e8ea64e0be8c2baf90bd7bdd6d800956f9da970e3
[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] 6d2adf12482f12be06a9cb07b8a95e325ea28216689fce4ae396c6d1ec5f1b56
[INFO] running `Command { std: "docker" "start" "-a" "6d2adf12482f12be06a9cb07b8a95e325ea28216689fce4ae396c6d1ec5f1b56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/csv_generator-3c59290091143af1
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/first_unique-c403eff23be6f79a
[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 3 tests
[INFO] [stdout] test entry::tests::test_entry_comparison ... ok
[INFO] [stdout] test entry::tests::test_entry_merge ... ok
[INFO] [stdout] test entry::tests::test_hash_partition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d2adf12482f12be06a9cb07b8a95e325ea28216689fce4ae396c6d1ec5f1b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2adf12482f12be06a9cb07b8a95e325ea28216689fce4ae396c6d1ec5f1b56", kill_on_drop: false }`
[INFO] [stdout] 6d2adf12482f12be06a9cb07b8a95e325ea28216689fce4ae396c6d1ec5f1b56