[INFO] fetching crate cl-generic-vec 0.4.0... [INFO] checking cl-generic-vec-0.4.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate cl-generic-vec 0.4.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cl-generic-vec 0.4.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bab3428650c0a815c398c3bb9defa28f454c59df8fba985d3d2e12b7156ccbf9 [INFO] running `Command { std: "docker" "start" "-a" "bab3428650c0a815c398c3bb9defa28f454c59df8fba985d3d2e12b7156ccbf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bab3428650c0a815c398c3bb9defa28f454c59df8fba985d3d2e12b7156ccbf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bab3428650c0a815c398c3bb9defa28f454c59df8fba985d3d2e12b7156ccbf9", kill_on_drop: false }` [INFO] [stdout] bab3428650c0a815c398c3bb9defa28f454c59df8fba985d3d2e12b7156ccbf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea8fbfbc4e1a93647c037185b1b24376f8eb9690b5042e9e0f8cd846729c002d [INFO] running `Command { std: "docker" "start" "-a" "ea8fbfbc4e1a93647c037185b1b24376f8eb9690b5042e9e0f8cd846729c002d", 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 ::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]` [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]` [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/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/library/core/src/slice/mod.rs:114:5 [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" "ea8fbfbc4e1a93647c037185b1b24376f8eb9690b5042e9e0f8cd846729c002d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea8fbfbc4e1a93647c037185b1b24376f8eb9690b5042e9e0f8cd846729c002d", kill_on_drop: false }` [INFO] [stdout] ea8fbfbc4e1a93647c037185b1b24376f8eb9690b5042e9e0f8cd846729c002d