[INFO] cloning repository https://github.com/nlehuby/legendary-giggle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nlehuby/legendary-giggle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlehuby%2Flegendary-giggle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlehuby%2Flegendary-giggle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa8328826d80c622b44bd92a5fdda25095c18334
[INFO] documenting nlehuby/legendary-giggle 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%2Fnlehuby%2Flegendary-giggle" "/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/nlehuby/legendary-giggle 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/nlehuby/legendary-giggle
[INFO] finished tweaking git repo https://github.com/nlehuby/legendary-giggle
[INFO] tweaked toml for git repo https://github.com/nlehuby/legendary-giggle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nlehuby/legendary-giggle 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] 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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d48f3b490ac2cdad0f50e57ca6d187e660d6b2b8b3d78d71dbba32e1165a5d5f
[INFO] running `Command { std: "docker" "start" "-a" "d48f3b490ac2cdad0f50e57ca6d187e660d6b2b8b3d78d71dbba32e1165a5d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d48f3b490ac2cdad0f50e57ca6d187e660d6b2b8b3d78d71dbba32e1165a5d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48f3b490ac2cdad0f50e57ca6d187e660d6b2b8b3d78d71dbba32e1165a5d5f", kill_on_drop: false }`
[INFO] [stdout] d48f3b490ac2cdad0f50e57ca6d187e660d6b2b8b3d78d71dbba32e1165a5d5f
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a20542064703051322d6abead24e250b9e0c2b5b7dbbc8cd326111874695cd22
[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" "a20542064703051322d6abead24e250b9e0c2b5b7dbbc8cd326111874695cd22", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking protobuf v1.0.24
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:139:28
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == m.type_id()
[INFO] [stdout]     |                            ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `core::Message`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-1.0.24/src/lib/core.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn type_id(&self) -> TypeId;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == core::Message::type_id(&m)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 139 |     TypeId::of::<M>() == std::any::Any::type_id(&m)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a20542064703051322d6abead24e250b9e0c2b5b7dbbc8cd326111874695cd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20542064703051322d6abead24e250b9e0c2b5b7dbbc8cd326111874695cd22", kill_on_drop: false }`
[INFO] [stdout] a20542064703051322d6abead24e250b9e0c2b5b7dbbc8cd326111874695cd22