[INFO] fetching crate hassium-composite-renderer-backend-web 0.1.3...
[INFO] checking hassium-composite-renderer-backend-web-0.1.3 against beta for pr-78714
[INFO] extracting crate hassium-composite-renderer-backend-web 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hassium-composite-renderer-backend-web 0.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hassium-composite-renderer-backend-web 0.1.3
[INFO] finished tweaking crates.io crate hassium-composite-renderer-backend-web 0.1.3
[INFO] tweaked toml for crates.io crate hassium-composite-renderer-backend-web 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e15b23939111eaf7b2ecb214591711642559ae598fa6888b7828747494f11d4
[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" "6e15b23939111eaf7b2ecb214591711642559ae598fa6888b7828747494f11d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e15b23939111eaf7b2ecb214591711642559ae598fa6888b7828747494f11d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e15b23939111eaf7b2ecb214591711642559ae598fa6888b7828747494f11d4", kill_on_drop: false }`
[INFO] [stdout] 6e15b23939111eaf7b2ecb214591711642559ae598fa6888b7828747494f11d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb18ad9211007846a65e318d37f2a6e46f1392fe55b95a077c54736a89364381
[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" "fb18ad9211007846a65e318d37f2a6e46f1392fe55b95a077c54736a89364381", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking specs v0.14.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]     Checking specs-hierarchy v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking noise v0.5.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking hassium-utils v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking hassium-core v0.1.3
[INFO] [stderr]     Checking hassium-composite-renderer v0.1.3
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking web-sys v0.3.45
[INFO] [stderr]     Checking hassium-composite-renderer-backend-web v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.44s
[INFO] running `Command { std: "docker" "inspect" "fb18ad9211007846a65e318d37f2a6e46f1392fe55b95a077c54736a89364381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb18ad9211007846a65e318d37f2a6e46f1392fe55b95a077c54736a89364381", kill_on_drop: false }`
[INFO] [stdout] fb18ad9211007846a65e318d37f2a6e46f1392fe55b95a077c54736a89364381