[INFO] fetching crate wasm-gc-api 0.1.11...
[INFO] checking wasm-gc-api-0.1.11 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate wasm-gc-api 0.1.11 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wasm-gc-api 0.1.11 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-gc-api 0.1.11
[INFO] finished tweaking crates.io crate wasm-gc-api 0.1.11
[INFO] tweaked toml for crates.io crate wasm-gc-api 0.1.11 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-wasm v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e53c05fe302dfcd055eeb00cf8ad2f75b0ca40aa06a5a72fde4dc72775e5198
[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" "7e53c05fe302dfcd055eeb00cf8ad2f75b0ca40aa06a5a72fde4dc72775e5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e53c05fe302dfcd055eeb00cf8ad2f75b0ca40aa06a5a72fde4dc72775e5198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e53c05fe302dfcd055eeb00cf8ad2f75b0ca40aa06a5a72fde4dc72775e5198", kill_on_drop: false }`
[INFO] [stdout] 7e53c05fe302dfcd055eeb00cf8ad2f75b0ca40aa06a5a72fde4dc72775e5198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1b8951621a6b60a28c1ea793a97e29ed4fcf0c993d4bcbe81ebb0db3f45e83c
[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" "d1b8951621a6b60a28c1ea793a97e29ed4fcf0c993d4bcbe81ebb0db3f45e83c", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking parity-wasm v0.32.0
[INFO] [stderr]     Checking wasm-gc-api v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:63:52
[INFO] [stdout]    |
[INFO] [stdout] 63 |         if let Some(module) = (&mut module as &mut Any).downcast_mut() {
[INFO] [stdout]    |                                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let module = self.0 as Box<Any>;
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:63:52
[INFO] [stdout]    |
[INFO] [stdout] 63 |         if let Some(module) = (&mut module as &mut Any).downcast_mut() {
[INFO] [stdout]    |                                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let module = self.0 as Box<Any>;
[INFO] [stdout]    |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "d1b8951621a6b60a28c1ea793a97e29ed4fcf0c993d4bcbe81ebb0db3f45e83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b8951621a6b60a28c1ea793a97e29ed4fcf0c993d4bcbe81ebb0db3f45e83c", kill_on_drop: false }`
[INFO] [stdout] d1b8951621a6b60a28c1ea793a97e29ed4fcf0c993d4bcbe81ebb0db3f45e83c