[INFO] fetching crate ludtwig 0.5.1...
[INFO] testing ludtwig-0.5.1 against 1.52.1 for beta-1.52-2
[INFO] extracting crate ludtwig 0.5.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ludtwig 0.5.1 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ludtwig 0.5.1
[INFO] finished tweaking crates.io crate ludtwig 0.5.1
[INFO] tweaked toml for crates.io crate ludtwig 0.5.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ludtwig 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] f638dc2dae228a0d93d02ba2c9845445fd6cd8c5b7333bb334503c2e05ebdc3e
[INFO] running `Command { std: "docker" "start" "-a" "f638dc2dae228a0d93d02ba2c9845445fd6cd8c5b7333bb334503c2e05ebdc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f638dc2dae228a0d93d02ba2c9845445fd6cd8c5b7333bb334503c2e05ebdc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f638dc2dae228a0d93d02ba2c9845445fd6cd8c5b7333bb334503c2e05ebdc3e", kill_on_drop: false }`
[INFO] [stdout] f638dc2dae228a0d93d02ba2c9845445fd6cd8c5b7333bb334503c2e05ebdc3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--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] 05a9c01d2c0e65a439f560dae81c90c0e9ddeb6a65594f8efcd61b194151a658
[INFO] running `Command { std: "docker" "start" "-a" "05a9c01d2c0e65a439f560dae81c90c0e9ddeb6a65594f8efcd61b194151a658", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling ludtwig-parser v0.3.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling ludtwig v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "05a9c01d2c0e65a439f560dae81c90c0e9ddeb6a65594f8efcd61b194151a658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a9c01d2c0e65a439f560dae81c90c0e9ddeb6a65594f8efcd61b194151a658", kill_on_drop: false }`
[INFO] [stdout] 05a9c01d2c0e65a439f560dae81c90c0e9ddeb6a65594f8efcd61b194151a658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcb41724fcaa509e1e7da673a154260fa20a682e29ada8e427bf95cf5f3501a
[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" "7fcb41724fcaa509e1e7da673a154260fa20a682e29ada8e427bf95cf5f3501a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ludtwig v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "7fcb41724fcaa509e1e7da673a154260fa20a682e29ada8e427bf95cf5f3501a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcb41724fcaa509e1e7da673a154260fa20a682e29ada8e427bf95cf5f3501a", kill_on_drop: false }`
[INFO] [stdout] 7fcb41724fcaa509e1e7da673a154260fa20a682e29ada8e427bf95cf5f3501a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebeec5c1631dc36e8b1191cfc398998057e8e23ef64f393c66e85b6338b7fe14
[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" "ebeec5c1631dc36e8b1191cfc398998057e8e23ef64f393c66e85b6338b7fe14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ludtwig-fbfe4afd4e0fafda)
[INFO] [stdout] running 21 tests
[INFO] [stdout] test writer::tests::test_write_empty_html_tag ... ok
[INFO] [stdout] test writer::tests::test_write_nested_twig_block_separation ... ok
[INFO] [stdout] test writer::tests::test_write_nested_twig_block_separation_edge_case ... ok
[INFO] [stdout] test writer::tests::test_write_twig_apply ... ok
[INFO] [stdout] test writer::tests::test_write_simple_twig_block ... ok
[INFO] [stdout] test writer::tests::test_write_tag_with_twig_block_attribute ... ok
[INFO] [stdout] test writer::tests::test_write_tag_with_twig_if_elseif_else_attribute ... ok
[INFO] [stdout] test writer::tests::test_write_twig_if_elseif_else ... ok
[INFO] [stdout] test writer::tests::test_write_twig_if_elseif_else_in_twig_block ... ok
[INFO] [stdout] test writer::tests::test_write_twig_set_capture ... ok
[INFO] [stdout] test writer::tests::test_write_tag_and_twig_block_content_without_whitespace ... ok
[INFO] [stdout] test writer::tests::test_write_twig_if ... ok
[INFO] [stdout] test writer::tests::test_write_tag_and_twig_block_without_whitespace ... ok
[INFO] [stdout] test writer::tests::test_write_twig_if_else ... ok
[INFO] [stdout] test writer::tests::test_write_tag_with_twig_if_attribute ... ok
[INFO] [stdout] test writer::tests::test_write_tag_with_twig_block_with_if_attribute ... ok
[INFO] [stdout] test writer::tests::test_write_nested_twig_block ... ok
[INFO] [stdout] test writer::tests::test_write_tag_with_twig_nested_if_attribute ... ok
[INFO] [stdout] test writer::tests::test_write_tag_with_twig_if_else_attribute ... ok
[INFO] [stdout] test writer::tests::test_write_empty_twig_block ... ok
[INFO] [stdout] test writer::tests::test_write_twig_for ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebeec5c1631dc36e8b1191cfc398998057e8e23ef64f393c66e85b6338b7fe14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebeec5c1631dc36e8b1191cfc398998057e8e23ef64f393c66e85b6338b7fe14", kill_on_drop: false }`
[INFO] [stdout] ebeec5c1631dc36e8b1191cfc398998057e8e23ef64f393c66e85b6338b7fe14