[INFO] fetching crate partial-uninit 0.1.0... [INFO] testing partial-uninit-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate partial-uninit 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate partial-uninit 0.1.0 [INFO] finished tweaking crates.io crate partial-uninit 0.1.0 [INFO] tweaked toml for crates.io crate partial-uninit 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate partial-uninit 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de5bb6cbc8d91e6848f174f19cdb76ad0c900cc43cb8213bb63950d73c04ceff [INFO] running `Command { std: "docker" "start" "-a" "de5bb6cbc8d91e6848f174f19cdb76ad0c900cc43cb8213bb63950d73c04ceff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de5bb6cbc8d91e6848f174f19cdb76ad0c900cc43cb8213bb63950d73c04ceff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de5bb6cbc8d91e6848f174f19cdb76ad0c900cc43cb8213bb63950d73c04ceff", kill_on_drop: false }` [INFO] [stdout] de5bb6cbc8d91e6848f174f19cdb76ad0c900cc43cb8213bb63950d73c04ceff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa50a0e6005e58e533e486f982b8e23b8af71ccc3ba10a96c08f60e46e704767 [INFO] running `Command { std: "docker" "start" "-a" "aa50a0e6005e58e533e486f982b8e23b8af71ccc3ba10a96c08f60e46e704767", kill_on_drop: false }` [INFO] [stderr] Compiling partial-uninit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(maybe_uninit_ref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(new_uninit)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(maybe_uninit_ref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `new_uninit` has been stable since 1.82.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(new_uninit)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> src/lib.rs:12:20 [INFO] [stdout] | [INFO] [stdout] 12 | uninit.get_mut().partial_init(); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit` [INFO] [stdout] | [INFO] [stdout] help: consider pinning the expression [INFO] [stdout] | [INFO] [stdout] 12 ~ let mut pinned = std::pin::pin!(uninit); [INFO] [stdout] 13 ~ pinned.as_mut().get_mut().partial_init(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `Box>` in the current scope [INFO] [stdout] --> src/lib.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | uninit.get_mut().partial_init(); [INFO] [stdout] | ^^^^^^^ method not found in `Box>` [INFO] [stdout] | [INFO] [stdout] help: consider pinning the expression [INFO] [stdout] | [INFO] [stdout] 20 ~ let mut pinned = std::pin::pin!(uninit); [INFO] [stdout] 21 ~ pinned.as_mut().get_mut().partial_init(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `partial-uninit` (lib) due to 5 previous errors; 3 warnings emitted [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "aa50a0e6005e58e533e486f982b8e23b8af71ccc3ba10a96c08f60e46e704767", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa50a0e6005e58e533e486f982b8e23b8af71ccc3ba10a96c08f60e46e704767", kill_on_drop: false }` [INFO] [stdout] aa50a0e6005e58e533e486f982b8e23b8af71ccc3ba10a96c08f60e46e704767