[INFO] fetching crate qecs-core 0.0.17...
[INFO] checking qecs-core-0.0.17 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate qecs-core 0.0.17 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate qecs-core 0.0.17 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding downcast v0.2.3 (latest: v0.11.0)
[INFO] [stderr]       Adding ioc v0.0.4 (latest: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba68710e9879c89608e4d5efcd6cd88a910601c0755919f76c04db9d4ca1c48f
[INFO] running `Command { std: "docker" "start" "-a" "ba68710e9879c89608e4d5efcd6cd88a910601c0755919f76c04db9d4ca1c48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba68710e9879c89608e4d5efcd6cd88a910601c0755919f76c04db9d4ca1c48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba68710e9879c89608e4d5efcd6cd88a910601c0755919f76c04db9d4ca1c48f", kill_on_drop: false }`
[INFO] [stdout] ba68710e9879c89608e4d5efcd6cd88a910601c0755919f76c04db9d4ca1c48f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1796f87a5f1be14db116db7b79f564b5550971c41eedaa3ebbb81d5c9482df2a
[INFO] running `Command { std: "docker" "start" "-a" "1796f87a5f1be14db116db7b79f564b5550971c41eedaa3ebbb81d5c9482df2a", kill_on_drop: false }`
[INFO] [stderr]     Checking 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/index.crates.io-6f17d22bba15001f/downcast-0.2.3/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     obj.get_type_id()
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `type_id` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 23 |     obj.type_id()
[INFO] [stdout]    |         ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1796f87a5f1be14db116db7b79f564b5550971c41eedaa3ebbb81d5c9482df2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1796f87a5f1be14db116db7b79f564b5550971c41eedaa3ebbb81d5c9482df2a", kill_on_drop: false }`
[INFO] [stdout] 1796f87a5f1be14db116db7b79f564b5550971c41eedaa3ebbb81d5c9482df2a