[INFO] fetching crate qregister 0.2.2...
[INFO] checking qregister-0.2.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate qregister 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate qregister 0.2.2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qindex_multi v0.4.0
[INFO] [stderr]   Downloaded qcollect-traits v0.4.1
[INFO] [stderr]   Downloaded vec_map v0.3.0
[INFO] [stderr]   Downloaded qdowncast v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af9fc90dbc937f5cbecb84761c614827abcf29ff0e82179e7c5981683e6d481f
[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" "af9fc90dbc937f5cbecb84761c614827abcf29ff0e82179e7c5981683e6d481f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af9fc90dbc937f5cbecb84761c614827abcf29ff0e82179e7c5981683e6d481f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9fc90dbc937f5cbecb84761c614827abcf29ff0e82179e7c5981683e6d481f", kill_on_drop: false }`
[INFO] [stdout] af9fc90dbc937f5cbecb84761c614827abcf29ff0e82179e7c5981683e6d481f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abab30c719fc1f3a49ff3f6ce1143dfcab5cd76497d04c09e0e5201007834bd0
[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" "abab30c719fc1f3a49ff3f6ce1143dfcab5cd76497d04c09e0e5201007834bd0", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking qdowncast v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[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" "abab30c719fc1f3a49ff3f6ce1143dfcab5cd76497d04c09e0e5201007834bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abab30c719fc1f3a49ff3f6ce1143dfcab5cd76497d04c09e0e5201007834bd0", kill_on_drop: false }`
[INFO] [stdout] abab30c719fc1f3a49ff3f6ce1143dfcab5cd76497d04c09e0e5201007834bd0