[INFO] fetching crate rusthtml 0.2.4...
[INFO] testing rusthtml-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rusthtml 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rusthtml 0.2.4 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 rusthtml 0.2.4
[INFO] finished tweaking crates.io crate rusthtml 0.2.4
[INFO] tweaked toml for crates.io crate rusthtml 0.2.4 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ae789f19a9567a70405a22390521b2cd2abfdca2b4b139a99586dfda7ebb5f8f
[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" "ae789f19a9567a70405a22390521b2cd2abfdca2b4b139a99586dfda7ebb5f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae789f19a9567a70405a22390521b2cd2abfdca2b4b139a99586dfda7ebb5f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae789f19a9567a70405a22390521b2cd2abfdca2b4b139a99586dfda7ebb5f8f", kill_on_drop: false }`
[INFO] [stdout] ae789f19a9567a70405a22390521b2cd2abfdca2b4b139a99586dfda7ebb5f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 259976cda7bfb5162b202e8af89bc1eb7aa713916689e85fbf8c365cc9c8c2c8
[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" "259976cda7bfb5162b202e8af89bc1eb7aa713916689e85fbf8c365cc9c8c2c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusthtml v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "259976cda7bfb5162b202e8af89bc1eb7aa713916689e85fbf8c365cc9c8c2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259976cda7bfb5162b202e8af89bc1eb7aa713916689e85fbf8c365cc9c8c2c8", kill_on_drop: false }`
[INFO] [stdout] 259976cda7bfb5162b202e8af89bc1eb7aa713916689e85fbf8c365cc9c8c2c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 4814bf52c4df1789af1a54f0dd455209af22f17bb643f13e68539ae2681db53c
[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" "4814bf52c4df1789af1a54f0dd455209af22f17bb643f13e68539ae2681db53c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusthtml v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "4814bf52c4df1789af1a54f0dd455209af22f17bb643f13e68539ae2681db53c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4814bf52c4df1789af1a54f0dd455209af22f17bb643f13e68539ae2681db53c", kill_on_drop: false }`
[INFO] [stdout] 4814bf52c4df1789af1a54f0dd455209af22f17bb643f13e68539ae2681db53c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1591d6f61ba3b46f04c14761cdd959f8ffee090c48a3e9800f3591a9ad3c69d4
[INFO] running `Command { std: "docker" "start" "-a" "1591d6f61ba3b46f04c14761cdd959f8ffee090c48a3e9800f3591a9ad3c69d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusthtml-55b7369567e5948b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests rusthtml
[INFO] [stdout] test tests::almost_all ... ok
[INFO] [stdout] test tests::element_works ... ok
[INFO] [stdout] test tests::unicode_characters ... ok
[INFO] [stdout] test tests::tag_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - tag_optimize (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1591d6f61ba3b46f04c14761cdd959f8ffee090c48a3e9800f3591a9ad3c69d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1591d6f61ba3b46f04c14761cdd959f8ffee090c48a3e9800f3591a9ad3c69d4", kill_on_drop: false }`
[INFO] [stdout] 1591d6f61ba3b46f04c14761cdd959f8ffee090c48a3e9800f3591a9ad3c69d4