[INFO] cloning repository https://github.com/JohannesBeranek/rust-xx0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohannesBeranek/rust-xx0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohannesBeranek%2Frust-xx0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohannesBeranek%2Frust-xx0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce1e7d9e39713b6076f9cef35ed8662eebf59cb4
[INFO] documenting JohannesBeranek/rust-xx0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohannesBeranek%2Frust-xx0" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohannesBeranek/rust-xx0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/JohannesBeranek/rust-xx0
[INFO] removed path dependency http from git repo https://github.com/JohannesBeranek/rust-xx0
[INFO] finished tweaking git repo https://github.com/JohannesBeranek/rust-xx0
[INFO] tweaked toml for git repo https://github.com/JohannesBeranek/rust-xx0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JohannesBeranek/rust-xx0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (http) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tokio-service`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (http) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha1 v0.2.0
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b62fd59d8eb05d27452bcf1a86d1f4b6dbac5ad6e40d302ec66cde1cac0a0ac2
[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" "b62fd59d8eb05d27452bcf1a86d1f4b6dbac5ad6e40d302ec66cde1cac0a0ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b62fd59d8eb05d27452bcf1a86d1f4b6dbac5ad6e40d302ec66cde1cac0a0ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62fd59d8eb05d27452bcf1a86d1f4b6dbac5ad6e40d302ec66cde1cac0a0ac2", kill_on_drop: false }`
[INFO] [stdout] b62fd59d8eb05d27452bcf1a86d1f4b6dbac5ad6e40d302ec66cde1cac0a0ac2
[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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f5b3646409f88c7266119790108dc9dd1ff60b6d15c290e60ee4217972ed9cf
[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" "8f5b3646409f88c7266119790108dc9dd1ff60b6d15c290e60ee4217972ed9cf", kill_on_drop: false }`
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#tokio-core:0.1.0
[INFO] [stderr] warning: dependency (http) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#tokio-core:0.1.0
[INFO] [stderr]     Checking tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#01ab7ecb)
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]  Documenting xx0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `poll_ready` is not a member of trait `Service`
[INFO] [stdout]    --> src/main.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     fn poll_ready(&self) -> Async<()> {
[INFO] [stdout] 157 | |         Async::Ready(())
[INFO] [stdout] 158 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `xx0`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name xx0 src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4c795c187d1c290c.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f6a782863e1804d0.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-31ac34cf24485f47.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-2cd8af4c67eb8ecd.rmeta --extern tokio_service=/opt/rustwide/target/debug/deps/libtokio_service-abeeefa45347f678.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8f5b3646409f88c7266119790108dc9dd1ff60b6d15c290e60ee4217972ed9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5b3646409f88c7266119790108dc9dd1ff60b6d15c290e60ee4217972ed9cf", kill_on_drop: false }`
[INFO] [stdout] 8f5b3646409f88c7266119790108dc9dd1ff60b6d15c290e60ee4217972ed9cf