[INFO] fetching crate test_double 0.3.0...
[INFO] testing test_double-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate test_double 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate test_double 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_double 0.3.0
[INFO] finished tweaking crates.io crate test_double 0.3.0
[INFO] tweaked toml for crates.io crate test_double 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eee261b8470db487f7603c8725a9e0babb5f771ce85b33e72b9c1e555e9de171
[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" "eee261b8470db487f7603c8725a9e0babb5f771ce85b33e72b9c1e555e9de171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee261b8470db487f7603c8725a9e0babb5f771ce85b33e72b9c1e555e9de171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee261b8470db487f7603c8725a9e0babb5f771ce85b33e72b9c1e555e9de171", kill_on_drop: false }`
[INFO] [stdout] eee261b8470db487f7603c8725a9e0babb5f771ce85b33e72b9c1e555e9de171
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751689a434f3fdb38ae699d19ad7767877ae6e422eb0ac54612d3f4c5042400d
[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" "751689a434f3fdb38ae699d19ad7767877ae6e422eb0ac54612d3f4c5042400d", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_double v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "751689a434f3fdb38ae699d19ad7767877ae6e422eb0ac54612d3f4c5042400d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751689a434f3fdb38ae699d19ad7767877ae6e422eb0ac54612d3f4c5042400d", kill_on_drop: false }`
[INFO] [stdout] 751689a434f3fdb38ae699d19ad7767877ae6e422eb0ac54612d3f4c5042400d
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af3c176156e664e1573a51399afc93de0f453062fced4c3ac62f732de5b02de
[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" "7af3c176156e664e1573a51399afc93de0f453062fced4c3ac62f732de5b02de", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_double v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "7af3c176156e664e1573a51399afc93de0f453062fced4c3ac62f732de5b02de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af3c176156e664e1573a51399afc93de0f453062fced4c3ac62f732de5b02de", kill_on_drop: false }`
[INFO] [stdout] 7af3c176156e664e1573a51399afc93de0f453062fced4c3ac62f732de5b02de
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c497882f5bfb0ec2e6da95a22ef55edf7778e95ce85ae8aed22c6fa7c46557e9
[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" "c497882f5bfb0ec2e6da95a22ef55edf7778e95ce85ae8aed22c6fa7c46557e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_double-4615ba9a21f58f24
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_attribute_alternate_name_prefixed ... ok
[INFO] [stdout] test tests::test_functionlike_group_prefixed ... ok
[INFO] [stdout] test tests::test_attribute_group ... ok
[INFO] [stdout] test tests::test_attribute_group_prefixed ... ok
[INFO] [stdout] test tests::test_attribute_nested ... ok
[INFO] [stdout] test tests::test_functionlike_basic_prefixed ... ok
[INFO] [stdout] test tests::test_attribute_rename ... ok
[INFO] [stdout] test tests::test_functionlike_basic ... ok
[INFO] [stdout] test tests::test_attribute_rename_prefixed ... ok
[INFO] [stdout] test tests::test_attribute_alternate_name ... ok
[INFO] [stdout] test tests::test_functionlike_group ... ok
[INFO] [stdout] test tests::test_attribute_nested_prefixed ... ok
[INFO] [stdout] test tests::test_attribute_group_alternate_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration-e3a0a346d0030045
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests test_double
[INFO] [stdout] test test_integration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "c497882f5bfb0ec2e6da95a22ef55edf7778e95ce85ae8aed22c6fa7c46557e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c497882f5bfb0ec2e6da95a22ef55edf7778e95ce85ae8aed22c6fa7c46557e9", kill_on_drop: false }`
[INFO] [stdout] c497882f5bfb0ec2e6da95a22ef55edf7778e95ce85ae8aed22c6fa7c46557e9