[INFO] fetching crate hv-stampede 0.2.1...
[INFO] checking hv-stampede-0.2.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate hv-stampede 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hv-stampede 0.2.1
[INFO] finished tweaking crates.io crate hv-stampede 0.2.1
[INFO] tweaked toml for crates.io crate hv-stampede 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hv-stampede 0.2.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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 5 packages to latest compatible versions
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6466a1da434b3a143485d6ed63661c2b13030140addab19a8d3c0e9dc4d48ad
[INFO] running `Command { std: "docker" "start" "-a" "b6466a1da434b3a143485d6ed63661c2b13030140addab19a8d3c0e9dc4d48ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6466a1da434b3a143485d6ed63661c2b13030140addab19a8d3c0e9dc4d48ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6466a1da434b3a143485d6ed63661c2b13030140addab19a8d3c0e9dc4d48ad", kill_on_drop: false }`
[INFO] [stdout] b6466a1da434b3a143485d6ed63661c2b13030140addab19a8d3c0e9dc4d48ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4b5095170893b2c84d0f952fa58c05f8f35caeeff7babda3e9206d8235fab80
[INFO] running `Command { std: "docker" "start" "-a" "e4b5095170893b2c84d0f952fa58c05f8f35caeeff7babda3e9206d8235fab80", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking hv-stampede v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(maybe_uninit_slice, maybe_uninit_extra)]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(maybe_uninit_slice, maybe_uninit_extra)]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:153:31
[INFO] [stdout]     |
[INFO] [stdout] 153 |         unsafe { MaybeUninit::slice_assume_init_ref(&self.storage[..self.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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is a method `assume_init_ref` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/mem/maybe_uninit.rs:782:5
[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:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |         unsafe { MaybeUninit::slice_assume_init_mut(&mut self.storage[..self.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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/mem/maybe_uninit.rs:899:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_ref` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:153:31
[INFO] [stdout]     |
[INFO] [stdout] 153 |         unsafe { MaybeUninit::slice_assume_init_ref(&self.storage[..self.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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is a method `assume_init_ref` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/mem/maybe_uninit.rs:782:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hv-stampede` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |         unsafe { MaybeUninit::slice_assume_init_mut(&mut self.storage[..self.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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/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/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/mem/maybe_uninit.rs:899:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hv-stampede` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e4b5095170893b2c84d0f952fa58c05f8f35caeeff7babda3e9206d8235fab80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b5095170893b2c84d0f952fa58c05f8f35caeeff7babda3e9206d8235fab80", kill_on_drop: false }`
[INFO] [stdout] e4b5095170893b2c84d0f952fa58c05f8f35caeeff7babda3e9206d8235fab80