[INFO] fetching crate useful_static 0.2.1...
[INFO] testing useful_static-0.2.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate useful_static 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate useful_static 0.2.1
[INFO] finished tweaking crates.io crate useful_static 0.2.1
[INFO] tweaked toml for crates.io crate useful_static 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate useful_static 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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] 9d57b206a794d0eac0541eec48d2f2b9320dd9a34dec24daac3b4978e806486c
[INFO] running `Command { std: "docker" "start" "-a" "9d57b206a794d0eac0541eec48d2f2b9320dd9a34dec24daac3b4978e806486c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d57b206a794d0eac0541eec48d2f2b9320dd9a34dec24daac3b4978e806486c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d57b206a794d0eac0541eec48d2f2b9320dd9a34dec24daac3b4978e806486c", kill_on_drop: false }`
[INFO] [stdout] 9d57b206a794d0eac0541eec48d2f2b9320dd9a34dec24daac3b4978e806486c
[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] c473aa39dceec4b822d7678584aff4a755e6ce7c46e7e17846f15804de58be08
[INFO] running `Command { std: "docker" "start" "-a" "c473aa39dceec4b822d7678584aff4a755e6ce7c46e7e17846f15804de58be08", kill_on_drop: false }`
[INFO] [stderr]    Compiling useful_static v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` attribute cannot be used on struct fields
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[inline(always)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[inline]` can only be applied to functions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: assigning to `&T` is undefined behavior, consider using an `UnsafeCell`
[INFO] [stdout]    --> src/lib.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |             let global = self as *const _ as *mut _;
[INFO] [stdout]     |                          -------------------------- casting happened here
[INFO] [stdout] 102 |             *global = RawGlobal::Yes(content);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get`
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `useful_static` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c473aa39dceec4b822d7678584aff4a755e6ce7c46e7e17846f15804de58be08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c473aa39dceec4b822d7678584aff4a755e6ce7c46e7e17846f15804de58be08", kill_on_drop: false }`
[INFO] [stdout] c473aa39dceec4b822d7678584aff4a755e6ce7c46e7e17846f15804de58be08
