[INFO] fetching crate webpage 1.3.0...
[INFO] testing webpage-1.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate webpage 1.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate webpage 1.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webpage 1.3.0
[INFO] finished tweaking crates.io crate webpage 1.3.0
[INFO] tweaked toml for crates.io crate webpage 1.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1db01010127525e832641d3ef57933bc8ff75e8560dacb14339147033ec35ada
[INFO] running `Command { std: "docker" "start" "-a" "1db01010127525e832641d3ef57933bc8ff75e8560dacb14339147033ec35ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db01010127525e832641d3ef57933bc8ff75e8560dacb14339147033ec35ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db01010127525e832641d3ef57933bc8ff75e8560dacb14339147033ec35ada", kill_on_drop: false }`
[INFO] [stdout] 1db01010127525e832641d3ef57933bc8ff75e8560dacb14339147033ec35ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dafa92b3b139b3f151f48d026bd05d102dc3875355bac0082712b0752b9905ad
[INFO] running `Command { std: "docker" "start" "-a" "dafa92b3b139b3f151f48d026bd05d102dc3875355bac0082712b0752b9905ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling webpage v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.28s
[INFO] running `Command { std: "docker" "inspect" "dafa92b3b139b3f151f48d026bd05d102dc3875355bac0082712b0752b9905ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dafa92b3b139b3f151f48d026bd05d102dc3875355bac0082712b0752b9905ad", kill_on_drop: false }`
[INFO] [stdout] dafa92b3b139b3f151f48d026bd05d102dc3875355bac0082712b0752b9905ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7352f2a835fd0a6943cde3583982a175e1547a760bef688da0f75ca32b105a
[INFO] running `Command { std: "docker" "start" "-a" "5f7352f2a835fd0a6943cde3583982a175e1547a760bef688da0f75ca32b105a", kill_on_drop: false }`
[INFO] [stderr]    Compiling webpage v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0252]: the name `HTML` is defined multiple times
[INFO] [stdout]  --> tests/integration_test.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use webpage::html::HTML;
[INFO] [stdout]   |     ------------------- previous import of the type `HTML` here
[INFO] [stdout] ...
[INFO] [stdout] 6 | use webpage::{html::HTML, Webpage, WebpageOptions};
[INFO] [stdout]   |               ^^^^^^^^^^ `HTML` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HTML` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html::HTML`
[INFO] [stdout]  --> tests/integration_test.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use webpage::{html::HTML, Webpage, WebpageOptions};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webpage` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5f7352f2a835fd0a6943cde3583982a175e1547a760bef688da0f75ca32b105a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7352f2a835fd0a6943cde3583982a175e1547a760bef688da0f75ca32b105a", kill_on_drop: false }`
[INFO] [stdout] 5f7352f2a835fd0a6943cde3583982a175e1547a760bef688da0f75ca32b105a