[INFO] fetching crate sallyport 0.6.3...
[INFO] checking sallyport-0.6.3 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate sallyport 0.6.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sallyport 0.6.3 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sallyport 0.6.3
[INFO] finished tweaking crates.io crate sallyport 0.6.3
[INFO] tweaked toml for crates.io crate sallyport 0.6.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96a880078c41b49ecf8bbc6bfe0d042339f84a58b958d7736b6d75ce51345de0
[INFO] running `Command { std: "docker" "start" "-a" "96a880078c41b49ecf8bbc6bfe0d042339f84a58b958d7736b6d75ce51345de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a880078c41b49ecf8bbc6bfe0d042339f84a58b958d7736b6d75ce51345de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a880078c41b49ecf8bbc6bfe0d042339f84a58b958d7736b6d75ce51345de0", kill_on_drop: false }`
[INFO] [stdout] 96a880078c41b49ecf8bbc6bfe0d042339f84a58b958d7736b6d75ce51345de0
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 341991fc6d961efa87e6a3a5780702a859b4c2a9eefeff5503c6c0bdcee2e146
[INFO] running `Command { std: "docker" "start" "-a" "341991fc6d961efa87e6a3a5780702a859b4c2a9eefeff5503c6c0bdcee2e146", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking testaso v0.1.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking goblin v0.5.4
[INFO] [stderr]     Checking sallyport v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `nonnull_slice_from_raw_parts` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]   --> src/guest/handler.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut alloc = Alloc::new(self.block_mut()).stage();
[INFO] [stdout]    |                                    ---- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 69 |             self.sally()?;
[INFO] [stdout]    |             ^^^^ second mutable borrow occurs here
[INFO] [stdout] 70 |             collect(self.block())?
[INFO] [stdout]    |             ------- first borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/guest/handler.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut alloc = Alloc::new(self.block_mut()).stage();
[INFO] [stdout]    |                                    ---- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 70 |             collect(self.block())?
[INFO] [stdout]    |             ------- ^^^^ immutable borrow occurs here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0499, E0502.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sallyport` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "341991fc6d961efa87e6a3a5780702a859b4c2a9eefeff5503c6c0bdcee2e146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341991fc6d961efa87e6a3a5780702a859b4c2a9eefeff5503c6c0bdcee2e146", kill_on_drop: false }`
[INFO] [stdout] 341991fc6d961efa87e6a3a5780702a859b4c2a9eefeff5503c6c0bdcee2e146