[INFO] cloning repository https://github.com/jonlamb-gh/simtest
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/simtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fsimtest"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fsimtest'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c58a9e235d610ac2b3d31d0667bf63f95563209b
[INFO] checking jonlamb-gh/simtest against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Fsimtest" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/simtest on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jonlamb-gh/simtest
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/simtest
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/simtest written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/simtest already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b8973553333a7ff6e541b82d3d368c9776befec49d636b1a62302804dcd98b13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b8973553333a7ff6e541b82d3d368c9776befec49d636b1a62302804dcd98b13"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking pid v1.2.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/rustwide/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/rustwide/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" "b8973553333a7ff6e541b82d3d368c9776befec49d636b1a62302804dcd98b13"`
[INFO] running `"docker" "rm" "-f" "b8973553333a7ff6e541b82d3d368c9776befec49d636b1a62302804dcd98b13"`
[INFO] [stdout] b8973553333a7ff6e541b82d3d368c9776befec49d636b1a62302804dcd98b13