[INFO] fetching crate qregister 0.2.2...
[INFO] checking qregister-0.2.2 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate qregister 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate qregister 0.2.2 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qregister 0.2.2
[INFO] finished tweaking crates.io crate qregister 0.2.2
[INFO] tweaked toml for crates.io crate qregister 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba0b7d39dfc38d774f71f75964decf29888098496311f00ee3ba906db5fa3f2b
[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" "ba0b7d39dfc38d774f71f75964decf29888098496311f00ee3ba906db5fa3f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba0b7d39dfc38d774f71f75964decf29888098496311f00ee3ba906db5fa3f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0b7d39dfc38d774f71f75964decf29888098496311f00ee3ba906db5fa3f2b", kill_on_drop: false }`
[INFO] [stdout] ba0b7d39dfc38d774f71f75964decf29888098496311f00ee3ba906db5fa3f2b
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3350145a476a2d56f142ad8791e934c0d89bea9094619a5028171b9888d8b28f
[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" "3350145a476a2d56f142ad8791e934c0d89bea9094619a5028171b9888d8b28f", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking qdowncast v0.1.0
[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/qdowncast-0.1.0/src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     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 `qdowncast`.
[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" "3350145a476a2d56f142ad8791e934c0d89bea9094619a5028171b9888d8b28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3350145a476a2d56f142ad8791e934c0d89bea9094619a5028171b9888d8b28f", kill_on_drop: false }`
[INFO] [stdout] 3350145a476a2d56f142ad8791e934c0d89bea9094619a5028171b9888d8b28f