[INFO] fetching crate unique-count 0.1.0...
[INFO] testing unique-count-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate unique-count 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate unique-count 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unique-count 0.1.0
[INFO] finished tweaking crates.io crate unique-count 0.1.0
[INFO] tweaked toml for crates.io crate unique-count 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d133741a7bd9bb191ecc32f340ae8e2361cdda862d50cdac6a41d393402818
[INFO] running `Command { std: "docker" "start" "-a" "38d133741a7bd9bb191ecc32f340ae8e2361cdda862d50cdac6a41d393402818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d133741a7bd9bb191ecc32f340ae8e2361cdda862d50cdac6a41d393402818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d133741a7bd9bb191ecc32f340ae8e2361cdda862d50cdac6a41d393402818", kill_on_drop: false }`
[INFO] [stdout] 38d133741a7bd9bb191ecc32f340ae8e2361cdda862d50cdac6a41d393402818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b684e0ab118588353931f34336447087c46575581c95a827aa03cd7d56df931
[INFO] running `Command { std: "docker" "start" "-a" "8b684e0ab118588353931f34336447087c46575581c95a827aa03cd7d56df931", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique-count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "8b684e0ab118588353931f34336447087c46575581c95a827aa03cd7d56df931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b684e0ab118588353931f34336447087c46575581c95a827aa03cd7d56df931", kill_on_drop: false }`
[INFO] [stdout] 8b684e0ab118588353931f34336447087c46575581c95a827aa03cd7d56df931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de0cba743f64fef05e5d98f999b4cab46b6888d1c94118dc8533676f7e0a13b
[INFO] running `Command { std: "docker" "start" "-a" "8de0cba743f64fef05e5d98f999b4cab46b6888d1c94118dc8533676f7e0a13b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique-count v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "8de0cba743f64fef05e5d98f999b4cab46b6888d1c94118dc8533676f7e0a13b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de0cba743f64fef05e5d98f999b4cab46b6888d1c94118dc8533676f7e0a13b", kill_on_drop: false }`
[INFO] [stdout] 8de0cba743f64fef05e5d98f999b4cab46b6888d1c94118dc8533676f7e0a13b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ae5214398f01dd64f84d6a58803ef8dccd527ae301667cc04fc9078058ec088
[INFO] running `Command { std: "docker" "start" "-a" "7ae5214398f01dd64f84d6a58803ef8dccd527ae301667cc04fc9078058ec088", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unique_count-c0e9898475ff1656)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unique-count
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ae5214398f01dd64f84d6a58803ef8dccd527ae301667cc04fc9078058ec088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae5214398f01dd64f84d6a58803ef8dccd527ae301667cc04fc9078058ec088", kill_on_drop: false }`
[INFO] [stdout] 7ae5214398f01dd64f84d6a58803ef8dccd527ae301667cc04fc9078058ec088