[INFO] fetching crate ketree 0.5.2...
[INFO] testing ketree-0.5.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ketree 0.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ketree 0.5.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ketree 0.5.2
[INFO] finished tweaking crates.io crate ketree 0.5.2
[INFO] tweaked toml for crates.io crate ketree 0.5.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linefeed v0.2.6
[INFO] [stderr]   Downloaded ketos_derive v0.10.0
[INFO] [stderr]   Downloaded ketos v0.10.0
[INFO] [stderr]   Downloaded gumdrop v0.1.0
[INFO] [stderr]   Downloaded gumdrop_derive v0.1.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 7f093b3181c5ea8248aeaca9b90d6533c35f3b28878a3e2d5190038b2ae797ac
[INFO] running `Command { std: "docker" "start" "-a" "7f093b3181c5ea8248aeaca9b90d6533c35f3b28878a3e2d5190038b2ae797ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f093b3181c5ea8248aeaca9b90d6533c35f3b28878a3e2d5190038b2ae797ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f093b3181c5ea8248aeaca9b90d6533c35f3b28878a3e2d5190038b2ae797ac", kill_on_drop: false }`
[INFO] [stdout] 7f093b3181c5ea8248aeaca9b90d6533c35f3b28878a3e2d5190038b2ae797ac
[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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f210b685c436a4def4219b45f78f96d7d91bda29a508114a13b40799d65e714
[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" "2f210b685c436a4def4219b45f78f96d7d91bda29a508114a13b40799d65e714", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling gumdrop v0.1.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling gumdrop_derive v0.1.0
[INFO] [stderr]    Compiling ketos_derive v0.10.0
[INFO] [stderr]    Compiling linefeed v0.2.6
[INFO] [stderr]    Compiling ketos v0.10.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/any.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 self.type_id() == ::std::any::TypeId::of::<T>()
[INFO] [stdout]     |                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/structs.rs:86:1
[INFO] [stdout]     |
[INFO] [stdout] 86  | impl_any_cast!{ StructDefinition }
[INFO] [stdout]     | ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `AnyValue`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/any.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   |     fn type_id(&self) -> TypeId;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Any`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 AnyValue::type_id(&self) == ::std::any::TypeId::of::<T>()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 Any::type_id(&self) == ::std::any::TypeId::of::<T>()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/any.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 self.type_id() == ::std::any::TypeId::of::<T>()
[INFO] [stdout]     |                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/value.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_any_cast!{ ForeignValue }
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `AnyValue`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/any.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   |     fn type_id(&self) -> TypeId;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Any`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 AnyValue::type_id(&self) == ::std::any::TypeId::of::<T>()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 Any::type_id(&self) == ::std::any::TypeId::of::<T>()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/function.rs:396:37
[INFO] [stdout]     |
[INFO] [stdout] 396 |             scope.get_struct_def(fv.type_id())
[INFO] [stdout]     |                                     ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `AnyValue`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ketos-0.10.0/src/ketos/any.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   |     fn type_id(&self) -> TypeId;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 396 |             scope.get_struct_def(AnyValue::type_id(&fv))
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 396 |             scope.get_struct_def(Any::type_id(&fv))
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ketos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2f210b685c436a4def4219b45f78f96d7d91bda29a508114a13b40799d65e714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f210b685c436a4def4219b45f78f96d7d91bda29a508114a13b40799d65e714", kill_on_drop: false }`
[INFO] [stdout] 2f210b685c436a4def4219b45f78f96d7d91bda29a508114a13b40799d65e714