[INFO] cloning repository https://github.com/imjacobclark/Herd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imjacobclark/Herd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2FHerd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2FHerd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9fda4c5d1aca47588b0ad2191796df27de6f36e
[INFO] documenting imjacobclark/Herd against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjacobclark%2FHerd" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imjacobclark/Herd on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imjacobclark/Herd
[INFO] finished tweaking git repo https://github.com/imjacobclark/Herd
[INFO] tweaked toml for git repo https://github.com/imjacobclark/Herd written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/imjacobclark/Herd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/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[INFO] the lockfile is outdated, regenerating it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" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11213041c78606326ae85adbe766194d4fd5d12198ceeb55aff2e75d994351fe
[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" "11213041c78606326ae85adbe766194d4fd5d12198ceeb55aff2e75d994351fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11213041c78606326ae85adbe766194d4fd5d12198ceeb55aff2e75d994351fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11213041c78606326ae85adbe766194d4fd5d12198ceeb55aff2e75d994351fe", kill_on_drop: false }`
[INFO] [stdout] 11213041c78606326ae85adbe766194d4fd5d12198ceeb55aff2e75d994351fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aec4552b6e0fdfb2b3716e204d17a4fd97854d1eeb9ad427ffcd87efb82e12a
[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" "6aec4552b6e0fdfb2b3716e204d17a4fd97854d1eeb9ad427ffcd87efb82e12a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.17
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]  Documenting herd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `self::hyper::header::Connection`
[INFO] [stdout]  --> src/request.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::hyper::header::Connection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Connection` in `header`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `herd`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name herd 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 clap=/opt/rustwide/target/debug/deps/libclap-c90f64aeb2e10883.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-5cb626ee8a5df54d.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-42d17988744283c6.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-ec2df5e1d356cf7b.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-0abb51c99235a947.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-d4c35ebea6d80308.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6aec4552b6e0fdfb2b3716e204d17a4fd97854d1eeb9ad427ffcd87efb82e12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aec4552b6e0fdfb2b3716e204d17a4fd97854d1eeb9ad427ffcd87efb82e12a", kill_on_drop: false }`
[INFO] [stdout] 6aec4552b6e0fdfb2b3716e204d17a4fd97854d1eeb9ad427ffcd87efb82e12a