[INFO] fetching crate maomi 0.1.0... [INFO] checking maomi-0.1.0 against beta for pr-78714 [INFO] extracting crate maomi 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate maomi 0.1.0 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 maomi 0.1.0 [INFO] finished tweaking crates.io crate maomi 0.1.0 [INFO] tweaked toml for crates.io crate maomi 0.1.0 written to /workspace/builds/worker-2/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae33bdc553b1067a76eafad4bad31c862b7f690f040dd20b9a3eb2829dadc15c [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" "ae33bdc553b1067a76eafad4bad31c862b7f690f040dd20b9a3eb2829dadc15c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae33bdc553b1067a76eafad4bad31c862b7f690f040dd20b9a3eb2829dadc15c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae33bdc553b1067a76eafad4bad31c862b7f690f040dd20b9a3eb2829dadc15c", kill_on_drop: false }` [INFO] [stdout] ae33bdc553b1067a76eafad4bad31c862b7f690f040dd20b9a3eb2829dadc15c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcb6321949514592d79b87b29cd538d1d1647639b1908822cc1aff0ea230c3fe [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" "bcb6321949514592d79b87b29cd538d1d1647639b1908822cc1aff0ea230c3fe", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.68 [INFO] [stderr] Compiling bumpalo v3.4.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.68 [INFO] [stderr] Checking me-cell v0.1.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.18 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling quick-xml v0.16.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.68 [INFO] [stderr] Compiling maomi-macro v0.1.0 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.68 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.68 [INFO] [stderr] Checking js-sys v0.3.45 [INFO] [stderr] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking web-sys v0.3.45 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.18 [INFO] [stderr] Checking wasm-bindgen-test v0.3.18 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking console_log v0.1.2 [INFO] [stderr] Checking maomi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the type `Box>` does not permit being left uninitialized [INFO] [stdout] --> src/node.rs:624:34 [INFO] [stdout] | [INFO] [stdout] 624 | let component = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] = note: `Box` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Box>` does not permit being left uninitialized [INFO] [stdout] --> src/node.rs:624:34 [INFO] [stdout] | [INFO] [stdout] 624 | let component = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] = note: `Box` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.85s [INFO] running `Command { std: "docker" "inspect" "bcb6321949514592d79b87b29cd538d1d1647639b1908822cc1aff0ea230c3fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcb6321949514592d79b87b29cd538d1d1647639b1908822cc1aff0ea230c3fe", kill_on_drop: false }` [INFO] [stdout] bcb6321949514592d79b87b29cd538d1d1647639b1908822cc1aff0ea230c3fe