[INFO] cloning repository https://github.com/thealexhoar/ligeia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thealexhoar/ligeia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthealexhoar%2Fligeia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthealexhoar%2Fligeia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cef56ce53d55b4a444b97ff20a631a721496650
[INFO] documenting thealexhoar/ligeia against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthealexhoar%2Fligeia" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thealexhoar/ligeia on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thealexhoar/ligeia
[INFO] finished tweaking git repo https://github.com/thealexhoar/ligeia
[INFO] tweaked toml for git repo https://github.com/thealexhoar/ligeia written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thealexhoar/ligeia already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 241814201d5d8f2426a7c03c350bc29eafd9e5eebf46a772eea4d659317bb2f1
[INFO] running `Command { std: "docker" "start" "-a" "241814201d5d8f2426a7c03c350bc29eafd9e5eebf46a772eea4d659317bb2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241814201d5d8f2426a7c03c350bc29eafd9e5eebf46a772eea4d659317bb2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241814201d5d8f2426a7c03c350bc29eafd9e5eebf46a772eea4d659317bb2f1", kill_on_drop: false }`
[INFO] [stdout] 241814201d5d8f2426a7c03c350bc29eafd9e5eebf46a772eea4d659317bb2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62e1599ff841bb71b98ec75a8c5d79d243fd476b3391346cd65f361aed99c7b
[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" "e62e1599ff841bb71b98ec75a8c5d79d243fd476b3391346cd65f361aed99c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]    Compiling rlua v0.14.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]    Compiling specs-derive v0.1.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stdout]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Any`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[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] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `downcast`
[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" "e62e1599ff841bb71b98ec75a8c5d79d243fd476b3391346cd65f361aed99c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62e1599ff841bb71b98ec75a8c5d79d243fd476b3391346cd65f361aed99c7b", kill_on_drop: false }`
[INFO] [stdout] e62e1599ff841bb71b98ec75a8c5d79d243fd476b3391346cd65f361aed99c7b
