[INFO] fetching crate qecs-core 0.0.17...
[INFO] testing qecs-core-0.0.17 against 1.60.0 for beta-1.61-1
[INFO] extracting crate qecs-core 0.0.17 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate qecs-core 0.0.17 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qecs-core 0.0.17
[INFO] finished tweaking crates.io crate qecs-core 0.0.17
[INFO] tweaked toml for crates.io crate qecs-core 0.0.17 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.2.3
[INFO] [stderr]   Downloaded ioc v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 3fc1ce323ab2d05b9d5ca4652798aa673cdc528afd985170753af375120fc484
[INFO] running `Command { std: "docker" "start" "-a" "3fc1ce323ab2d05b9d5ca4652798aa673cdc528afd985170753af375120fc484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc1ce323ab2d05b9d5ca4652798aa673cdc528afd985170753af375120fc484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc1ce323ab2d05b9d5ca4652798aa673cdc528afd985170753af375120fc484", kill_on_drop: false }`
[INFO] [stdout] 3fc1ce323ab2d05b9d5ca4652798aa673cdc528afd985170753af375120fc484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] d9f6d62bf623561306e97184c32ba75aaf1b0bb18a7a538e3ba9d85c04dfb0b2
[INFO] running `Command { std: "docker" "start" "-a" "d9f6d62bf623561306e97184c32ba75aaf1b0bb18a7a538e3ba9d85c04dfb0b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling downcast v0.2.3
[INFO] [stdout] error[E0599]: no method named `get_type_id` found for reference `&T` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.2.3/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     obj.get_type_id()
[INFO] [stdout]    |         ^^^^^^^^^^^ method not found in `&T`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downcast` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d9f6d62bf623561306e97184c32ba75aaf1b0bb18a7a538e3ba9d85c04dfb0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f6d62bf623561306e97184c32ba75aaf1b0bb18a7a538e3ba9d85c04dfb0b2", kill_on_drop: false }`
[INFO] [stdout] d9f6d62bf623561306e97184c32ba75aaf1b0bb18a7a538e3ba9d85c04dfb0b2