[INFO] fetching crate char-list 0.4.0... [INFO] testing char-list-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate char-list 0.4.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate char-list 0.4.0 [INFO] finished tweaking crates.io crate char-list 0.4.0 [INFO] tweaked toml for crates.io crate char-list 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate char-list 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate char-list 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded test-log v0.2.15 [INFO] [stderr] Downloaded is-terminal v0.4.12 [INFO] [stderr] Downloaded test-log-macros v0.2.15 [INFO] [stderr] Downloaded embed-doc-image v0.1.4 [INFO] [stderr] Downloaded assert2-macros v0.3.14 [INFO] [stderr] Downloaded assert2 v0.3.14 [INFO] [stderr] Downloaded syn v2.0.53 [INFO] [stderr] Downloaded maybe-debug v0.1.0 [INFO] [stderr] Downloaded front-vec v0.0.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee5304be301806f7caed09f95b11fa5995b26dbcd68e2aa61119b93ceca06ae6 [INFO] running `Command { std: "docker" "start" "-a" "ee5304be301806f7caed09f95b11fa5995b26dbcd68e2aa61119b93ceca06ae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee5304be301806f7caed09f95b11fa5995b26dbcd68e2aa61119b93ceca06ae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee5304be301806f7caed09f95b11fa5995b26dbcd68e2aa61119b93ceca06ae6", kill_on_drop: false }` [INFO] [stdout] ee5304be301806f7caed09f95b11fa5995b26dbcd68e2aa61119b93ceca06ae6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6b53429278ccee796d398bfe7c7c503ce17f8014a07d266f818d35cd36579e1 [INFO] running `Command { std: "docker" "start" "-a" "f6b53429278ccee796d398bfe7c7c503ce17f8014a07d266f818d35cd36579e1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling front-vec v0.0.8 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling syn v2.0.53 [INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/front-vec-0.0.8/src/front_vec/front_vec.rs:305:31 [INFO] [stdout] | [INFO] [stdout] 305 | unsafe { MaybeUninit::slice_assume_init_ref(slice) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>` [INFO] [stdout] | [INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions: [INFO] [stdout] MaybeUninit::::new [INFO] [stdout] MaybeUninit::::uninit [INFO] [stdout] MaybeUninit::::zeroed [INFO] [stdout] --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:391:4 [INFO] [stdout] help: there is a method `assume_init_ref` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/mem/maybe_uninit.rs:870:4 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `front-vec` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f6b53429278ccee796d398bfe7c7c503ce17f8014a07d266f818d35cd36579e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b53429278ccee796d398bfe7c7c503ce17f8014a07d266f818d35cd36579e1", kill_on_drop: false }` [INFO] [stdout] f6b53429278ccee796d398bfe7c7c503ce17f8014a07d266f818d35cd36579e1