[INFO] updating cached repository seppo0010/building-stuff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/seppo0010/building-stuff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/seppo0010/building-stuff" "work/ex/beta-1.38-1/sources/1.37.0/gh/seppo0010/building-stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/seppo0010/building-stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/seppo0010/building-stuff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seppo0010/building-stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seppo0010/building-stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25aa2271c1cbc51fd37c7ff6d93df09dc2b4be94
[INFO] sha for GitHub repo seppo0010/building-stuff: 25aa2271c1cbc51fd37c7ff6d93df09dc2b4be94
[INFO] validating manifest of seppo0010/building-stuff on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of seppo0010/building-stuff on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing seppo0010/building-stuff
[INFO] finished frobbing seppo0010/building-stuff
[INFO] frobbed toml for seppo0010/building-stuff written to work/ex/beta-1.38-1/sources/1.37.0/gh/seppo0010/building-stuff/Cargo.toml
[INFO] started frobbing seppo0010/building-stuff
[INFO] finished frobbing seppo0010/building-stuff
[INFO] frobbed toml for seppo0010/building-stuff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seppo0010/building-stuff/Cargo.toml
[INFO] crate seppo0010/building-stuff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing seppo0010/building-stuff against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/seppo0010/building-stuff:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c336aae0cd87adab04f2e2302f2d4369e275b95b6f09be5fd6941cf1adf4954d
[INFO] running `"docker" "start" "-a" "c336aae0cd87adab04f2e2302f2d4369e275b95b6f09be5fd6941cf1adf4954d"`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling downcast v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.1.7
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling fluent-syntax v0.1.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stderr]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `Any`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stderr]     |
[INFO] [stderr] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `Any::type_id(&self)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::any::Any::type_id(&self)` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `downcast`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c336aae0cd87adab04f2e2302f2d4369e275b95b6f09be5fd6941cf1adf4954d"`
[INFO] running `"docker" "rm" "-f" "c336aae0cd87adab04f2e2302f2d4369e275b95b6f09be5fd6941cf1adf4954d"`
[INFO] [stdout] c336aae0cd87adab04f2e2302f2d4369e275b95b6f09be5fd6941cf1adf4954d