[INFO] cloning repository https://github.com/azdle/hello-gtk.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azdle/hello-gtk.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazdle%2Fhello-gtk.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazdle%2Fhello-gtk.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c71d26f93356367ac5e677d542ba8972af6c5d82
[INFO] documenting azdle/hello-gtk.rs 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%2Fazdle%2Fhello-gtk.rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azdle/hello-gtk.rs 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/azdle/hello-gtk.rs
[INFO] finished tweaking git repo https://github.com/azdle/hello-gtk.rs
[INFO] tweaked toml for git repo https://github.com/azdle/hello-gtk.rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/azdle/hello-gtk.rs 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-12/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c93b2c2bf9221a85de78caa2ec35dcc873da550013b690e3724b6beb5ec2bfd6
[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" "c93b2c2bf9221a85de78caa2ec35dcc873da550013b690e3724b6beb5ec2bfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c93b2c2bf9221a85de78caa2ec35dcc873da550013b690e3724b6beb5ec2bfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93b2c2bf9221a85de78caa2ec35dcc873da550013b690e3724b6beb5ec2bfd6", kill_on_drop: false }`
[INFO] [stdout] c93b2c2bf9221a85de78caa2ec35dcc873da550013b690e3724b6beb5ec2bfd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 18ca7ce5fdde2fde782140b95e9f1a50b98c93b0538bff084708eadac8a4eb1d
[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" "18ca7ce5fdde2fde782140b95e9f1a50b98c93b0538bff084708eadac8a4eb1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking gio v0.9.1
[INFO] [stderr]     Checking cairo-rs v0.9.1
[INFO] [stderr]     Checking pango v0.9.1
[INFO] [stderr]     Checking atk v0.9.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking gdk-pixbuf v0.9.0
[INFO] [stderr]     Checking gdk v0.13.2
[INFO] [stderr]  Documenting hello_gtk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hyper::header::Connection`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use 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 `hello_gtk`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name hello_gtk 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 gtk=/opt/rustwide/target/debug/deps/libgtk-b98da7a65bbaecef.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-0c6a2a90bc0babd1.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "18ca7ce5fdde2fde782140b95e9f1a50b98c93b0538bff084708eadac8a4eb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ca7ce5fdde2fde782140b95e9f1a50b98c93b0538bff084708eadac8a4eb1d", kill_on_drop: false }`
[INFO] [stdout] 18ca7ce5fdde2fde782140b95e9f1a50b98c93b0538bff084708eadac8a4eb1d