[INFO] fetching crate xxlib 0.4.0...
[INFO] testing xxlib-0.4.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate xxlib 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate xxlib 0.4.0
[INFO] finished tweaking crates.io crate xxlib 0.4.0
[INFO] tweaked toml for crates.io crate xxlib 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xxlib 0.4.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xxlib 0.4.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded sharedptr v0.3.4
[INFO] [stderr]   Downloaded xxlib_builder v0.2.3
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded proc_macro_roids v0.7.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded data-rw v1.6.2
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded ordnung v0.0.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded auto_impl v0.4.1
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded const-random-macro v0.1.13
[INFO] [stderr]   Downloaded const-random v0.1.13
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42cfea30b93cf496528da4c0b94cc22396beeccb28293f79ea352f8af668320d
[INFO] running `Command { std: "docker" "start" "-a" "42cfea30b93cf496528da4c0b94cc22396beeccb28293f79ea352f8af668320d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42cfea30b93cf496528da4c0b94cc22396beeccb28293f79ea352f8af668320d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cfea30b93cf496528da4c0b94cc22396beeccb28293f79ea352f8af668320d", kill_on_drop: false }`
[INFO] [stdout] 42cfea30b93cf496528da4c0b94cc22396beeccb28293f79ea352f8af668320d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b5fc6383bd68dd7ab0ded2ecd39e5d0efc332811250d17f76cc99513dd371b
[INFO] running `Command { std: "docker" "start" "-a" "d3b5fc6383bd68dd7ab0ded2ecd39e5d0efc332811250d17f76cc99513dd371b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling sharedptr v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling ordnung v0.0.1
[INFO] [stderr]    Compiling rmp-serde v0.15.5
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling data-rw v1.6.2
[INFO] [stderr]    Compiling xxlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/manager.rs:478:23
[INFO] [stdout]     |
[INFO] [stdout] 478 |             let ptr = (*om.read_ptr_vec.get()).get(offset - 1).cloned()
[INFO] [stdout]     |                       ^^---------------------^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this raw pointer has type `*mut std::vec::Vec<sharedptr::Rc::SharedPtr<dyn ISerde>>`
[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: `&[sharedptr::Rc::SharedPtr<dyn ISerde>]`
[INFO] [stdout]    --> src/manager.rs:478:23
[INFO] [stdout]     |
[INFO] [stdout] 478 |             let ptr = (*om.read_ptr_vec.get()).get(offset - 1).cloned()
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get` require a reference
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/slice/mod.rs:572:4
[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] 478 |             let ptr = (&(*om.read_ptr_vec.get())).get(offset - 1).cloned()
[INFO] [stdout]     |                       ++                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xxlib` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d3b5fc6383bd68dd7ab0ded2ecd39e5d0efc332811250d17f76cc99513dd371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b5fc6383bd68dd7ab0ded2ecd39e5d0efc332811250d17f76cc99513dd371b", kill_on_drop: false }`
[INFO] [stdout] d3b5fc6383bd68dd7ab0ded2ecd39e5d0efc332811250d17f76cc99513dd371b
