[INFO] fetching crate datafrost 0.1.7...
[INFO] testing datafrost-0.1.7 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate datafrost 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate datafrost 0.1.7
[INFO] finished tweaking crates.io crate datafrost 0.1.7
[INFO] tweaked toml for crates.io crate datafrost 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate datafrost 0.1.7 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 datafrost 0.1.7 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 quote v1.0.35
[INFO] [stderr]   Downloaded takecell v0.1.1
[INFO] [stderr]   Downloaded mutability_marker v0.1.1
[INFO] [stderr]   Downloaded wasm_sync v0.1.2
[INFO] [stderr]   Downloaded task_pool v0.1.4
[INFO] [stderr]   Downloaded priority-queue v1.4.0
[INFO] [stderr]   Downloaded sync_rw_cell v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded log v0.4.21
[INFO] [stderr]   Downloaded arc-swap v1.7.0
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded bumpalo v3.15.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 165393f17016fbc423ad6152b3e2e8d8ddbcfc01b03ebba1a005e0e8f7c599e2
[INFO] running `Command { std: "docker" "start" "-a" "165393f17016fbc423ad6152b3e2e8d8ddbcfc01b03ebba1a005e0e8f7c599e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165393f17016fbc423ad6152b3e2e8d8ddbcfc01b03ebba1a005e0e8f7c599e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165393f17016fbc423ad6152b3e2e8d8ddbcfc01b03ebba1a005e0e8f7c599e2", kill_on_drop: false }`
[INFO] [stdout] 165393f17016fbc423ad6152b3e2e8d8ddbcfc01b03ebba1a005e0e8f7c599e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b9ec4ec68c99b6d8239f673b8dcaba5ddbc47adce486f8fbb656bb4355176b30
[INFO] running `Command { std: "docker" "start" "-a" "b9ec4ec68c99b6d8239f673b8dcaba5ddbc47adce486f8fbb656bb4355176b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling arc-swap v1.7.0
[INFO] [stderr]    Compiling takecell v0.1.1
[INFO] [stderr]    Compiling mutability_marker v0.1.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling wasm_sync v0.1.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling sync_rw_cell v0.1.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling task_pool v0.1.4
[INFO] [stderr]    Compiling datafrost v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `non_null_convenience` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(non_null_convenience)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/dyn_vec.rs:232:68
[INFO] [stdout]     |
[INFO] [stdout] 231 |             &*from_raw_parts(
[INFO] [stdout]     |               -------------- required by a bound introduced by this call
[INFO] [stdout] 232 |                 self.inner.add(index.offset.cast::<u8>() as usize).cast(),
[INFO] [stdout]     |                                                                    ^^^^ cannot infer type of the type parameter `U` declared on the method `cast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: std::ptr::Thin`
[INFO] [stdout] note: required by a bound in `std::ptr::from_raw_parts`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ptr/metadata.rs:115:0
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 self.inner.add(index.offset.cast::<u8>() as usize).cast::<U>(),
[INFO] [stdout]     |                                                                        +++++
[INFO] [stdout] help: consider removing this method call, as the receiver has type `*mut u8` and `*mut u8: std::ptr::Thin` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 232 -                 self.inner.add(index.offset.cast::<u8>() as usize).cast(),
[INFO] [stdout] 232 +                 self.inner.add(index.offset.cast::<u8>() as usize),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/dyn_vec.rs:247:68
[INFO] [stdout]     |
[INFO] [stdout] 246 |             &mut *from_raw_parts_mut(
[INFO] [stdout]     |                   ------------------ required by a bound introduced by this call
[INFO] [stdout] 247 |                 self.inner.add(index.offset.cast::<u8>() as usize).cast(),
[INFO] [stdout]     |                                                                    ^^^^ cannot infer type of the type parameter `U` declared on the method `cast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: std::ptr::Thin`
[INFO] [stdout] note: required by a bound in `std::ptr::from_raw_parts_mut`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ptr/metadata.rs:128:0
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 self.inner.add(index.offset.cast::<u8>() as usize).cast::<U>(),
[INFO] [stdout]     |                                                                        +++++
[INFO] [stdout] help: consider removing this method call, as the receiver has type `*mut u8` and `*mut u8: std::ptr::Thin` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 247 -                 self.inner.add(index.offset.cast::<u8>() as usize).cast(),
[INFO] [stdout] 247 +                 self.inner.add(index.offset.cast::<u8>() as usize),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `datafrost` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b9ec4ec68c99b6d8239f673b8dcaba5ddbc47adce486f8fbb656bb4355176b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ec4ec68c99b6d8239f673b8dcaba5ddbc47adce486f8fbb656bb4355176b30", kill_on_drop: false }`
[INFO] [stdout] b9ec4ec68c99b6d8239f673b8dcaba5ddbc47adce486f8fbb656bb4355176b30
