[INFO] updating cached repository https://github.com/rafaeldelboni/ggez-dungeon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94bd177c1adf6dfdec00e98b7dbf24e0251e62a7
[INFO] checking rafaeldelboni/ggez-dungeon against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafaeldelboni%2Fggez-dungeon" "/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/rafaeldelboni/ggez-dungeon on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rafaeldelboni/ggez-dungeon
[INFO] finished tweaking git repo https://github.com/rafaeldelboni/ggez-dungeon
[INFO] tweaked toml for git repo https://github.com/rafaeldelboni/ggez-dungeon written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rafaeldelboni/ggez-dungeon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15c20c99a6d4abf3ad74a608093b329ea5cd535cf8daf9701a2aff5a915d7c3b
[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" "15c20c99a6d4abf3ad74a608093b329ea5cd535cf8daf9701a2aff5a915d7c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c20c99a6d4abf3ad74a608093b329ea5cd535cf8daf9701a2aff5a915d7c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c20c99a6d4abf3ad74a608093b329ea5cd535cf8daf9701a2aff5a915d7c3b", kill_on_drop: false }`
[INFO] [stdout] 15c20c99a6d4abf3ad74a608093b329ea5cd535cf8daf9701a2aff5a915d7c3b
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95dc85b6b08769a634ee60c98e74d3a9c13c5a397dcd69199dfd3a78a3d2caf4
[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" "95dc85b6b08769a634ee60c98e74d3a9c13c5a397dcd69199dfd3a78a3d2caf4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking claxon v0.3.2
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.5
[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]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking unreachable v1.0.0
[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" "95dc85b6b08769a634ee60c98e74d3a9c13c5a397dcd69199dfd3a78a3d2caf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dc85b6b08769a634ee60c98e74d3a9c13c5a397dcd69199dfd3a78a3d2caf4", kill_on_drop: false }`
[INFO] [stdout] 95dc85b6b08769a634ee60c98e74d3a9c13c5a397dcd69199dfd3a78a3d2caf4