[INFO] fetching crate cl-generic-vec 0.4.0...
[INFO] checking cl-generic-vec-0.4.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate cl-generic-vec 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cl-generic-vec 0.4.0
[INFO] finished tweaking crates.io crate cl-generic-vec 0.4.0
[INFO] tweaked toml for crates.io crate cl-generic-vec 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cl-generic-vec 0.4.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bea759810f0b1cbc33577e4a9dee57b3b59724e231a4fec8f55751afd27c8327
[INFO] running `Command { std: "docker" "start" "-a" "bea759810f0b1cbc33577e4a9dee57b3b59724e231a4fec8f55751afd27c8327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea759810f0b1cbc33577e4a9dee57b3b59724e231a4fec8f55751afd27c8327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea759810f0b1cbc33577e4a9dee57b3b59724e231a4fec8f55751afd27c8327", kill_on_drop: false }`
[INFO] [stdout] bea759810f0b1cbc33577e4a9dee57b3b59724e231a4fec8f55751afd27c8327
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a3f9923c716ec6a131965ad2151e9d66bfe50e80c14a48c140de92e2c8b3f4
[INFO] running `Command { std: "docker" "start" "-a" "18a3f9923c716ec6a131965ad2151e9d66bfe50e80c14a48c140de92e2c8b3f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking alloc-traits v0.1.1
[INFO] [stderr]     Checking cl-generic-vec v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking static-alloc v0.2.6
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/iter.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |         iter.for_each(|item| drop(self.push(item)));
[INFO] [stdout]    |                              ^^^^^---------------^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   argument has type `&mut <S as Storage>::Item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/raw/heap/stable.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let capacity = (*ptr).len(); // probably not great but ptr_metadata is still nightly
[INFO] [stdout]    |                        ^^---^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this raw pointer has type `*mut [MaybeUninit<T>]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[MaybeUninit<T>]`
[INFO] [stdout]   --> src/raw/heap/stable.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let capacity = (*ptr).len(); // probably not great but ptr_metadata is still nightly
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/slice/mod.rs:116:5
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let capacity = (&(*ptr)).len(); // probably not great but ptr_metadata is still nightly
[INFO] [stdout]    |                        ++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cl-generic-vec` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "18a3f9923c716ec6a131965ad2151e9d66bfe50e80c14a48c140de92e2c8b3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a3f9923c716ec6a131965ad2151e9d66bfe50e80c14a48c140de92e2c8b3f4", kill_on_drop: false }`
[INFO] [stdout] 18a3f9923c716ec6a131965ad2151e9d66bfe50e80c14a48c140de92e2c8b3f4
