[INFO] fetching crate ra-ap-rustc_arena 0.28.0...
[INFO] testing ra-ap-rustc_arena-0.28.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ra-ap-rustc_arena 0.28.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ra-ap-rustc_arena 0.28.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_arena 0.28.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_arena 0.28.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ra-ap-rustc_arena 0.28.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe59feef7e3ce707b67a3b26a78be16da572490eba43175faf37a9852411916
[INFO] running `Command { std: "docker" "start" "-a" "dbe59feef7e3ce707b67a3b26a78be16da572490eba43175faf37a9852411916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe59feef7e3ce707b67a3b26a78be16da572490eba43175faf37a9852411916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe59feef7e3ce707b67a3b26a78be16da572490eba43175faf37a9852411916", kill_on_drop: false }`
[INFO] [stdout] dbe59feef7e3ce707b67a3b26a78be16da572490eba43175faf37a9852411916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 639e06215cfe7c45d7503623d3dc2d660cd1fddbe4a33a2e2a6b184fa1177681
[INFO] running `Command { std: "docker" "start" "-a" "639e06215cfe7c45d7503623d3dc2d660cd1fddbe4a33a2e2a6b184fa1177681", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ra-ap-rustc_arena v0.28.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `invalid_mut` in module `ptr`
[INFO] [stdout]    --> src/lib.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 ptr::invalid_mut(!0)
[INFO] [stdout]     |                      ^^^^^^^^^^^ not found in `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(strict_provenance)]
[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:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(new_uninit)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_mut` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:83:49
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(&mut slice[..len]));
[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::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/mem/maybe_uninit.rs:899:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra-ap-rustc_arena` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "639e06215cfe7c45d7503623d3dc2d660cd1fddbe4a33a2e2a6b184fa1177681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639e06215cfe7c45d7503623d3dc2d660cd1fddbe4a33a2e2a6b184fa1177681", kill_on_drop: false }`
[INFO] [stdout] 639e06215cfe7c45d7503623d3dc2d660cd1fddbe4a33a2e2a6b184fa1177681