[INFO] fetching crate webpage 1.3.0...
[INFO] checking webpage-1.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate webpage 1.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate webpage 1.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded curl v0.4.39
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded curl-sys v0.4.49+curl-7.79.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 416e4ea8bcca144a23bc440b7cbd71b45c7eb1cd37b4f485ffe4833163b2df36
[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" "416e4ea8bcca144a23bc440b7cbd71b45c7eb1cd37b4f485ffe4833163b2df36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416e4ea8bcca144a23bc440b7cbd71b45c7eb1cd37b4f485ffe4833163b2df36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416e4ea8bcca144a23bc440b7cbd71b45c7eb1cd37b4f485ffe4833163b2df36", kill_on_drop: false }`
[INFO] [stdout] 416e4ea8bcca144a23bc440b7cbd71b45c7eb1cd37b4f485ffe4833163b2df36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e158307a4eb668eec39ab50a22ede0f26db4fa99acca77811f86f7c7ec7f5ec1
[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" "e158307a4eb668eec39ab50a22ede0f26db4fa99acca77811f86f7c7ec7f5ec1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]     Checking 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] running `Command { std: "docker" "inspect" "e158307a4eb668eec39ab50a22ede0f26db4fa99acca77811f86f7c7ec7f5ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e158307a4eb668eec39ab50a22ede0f26db4fa99acca77811f86f7c7ec7f5ec1", kill_on_drop: false }`
[INFO] [stdout] e158307a4eb668eec39ab50a22ede0f26db4fa99acca77811f86f7c7ec7f5ec1
