[INFO] crate deploy-temp-fringe 1.2.4 is already in cache
[INFO] testing deploy-temp-fringe-1.2.4 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate deploy-temp-fringe 1.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate deploy-temp-fringe 1.2.4 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate deploy-temp-fringe 1.2.4
[INFO] finished tweaking crates.io crate deploy-temp-fringe 1.2.4
[INFO] tweaked toml for crates.io crate deploy-temp-fringe 1.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f69e12bce2d6464199408674b24b10f635552ec1cd32981b0c9b0cf3aa39d49
[INFO] running `"docker" "start" "-a" "2f69e12bce2d6464199408674b24b10f635552ec1cd32981b0c9b0cf3aa39d49"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling valgrind_request v1.1.0
[INFO] [stderr]    Compiling deploy-temp-fringe v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/generator.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 | #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stack/os/mod.rs:43:15
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let ptr = try!(unsafe { sys::map_stack(len) });
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/stack/os/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     try!(unsafe { sys::protect_stack(stack.ptr) });
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arch/x86_64.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub unsafe fn init(stack: &Stack, f: unsafe extern "C" fn(usize, StackPointer) -> !) -> StackPointer {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Stack`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/arch/x86_64.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |                    new_stack: Option<&Stack>) -> (usize, StackPointer) {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Stack`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/arch/x86_64.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |   let mut dummy: usize = mem::uninitialized();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0740]: unions may not contain fields that need dropping
[INFO] [stderr]   --> src/generator.rs:95:3
[INFO] [stderr]    |
[INFO] [stderr] 95 |   inner: T
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `std::mem::ManuallyDrop` can be used to wrap the type
[INFO] [stderr]   --> src/generator.rs:95:3
[INFO] [stderr]    |
[INFO] [stderr] 95 |   inner: T
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0740`.
[INFO] [stderr] error: could not compile `deploy-temp-fringe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2f69e12bce2d6464199408674b24b10f635552ec1cd32981b0c9b0cf3aa39d49"`
[INFO] running `"docker" "rm" "-f" "2f69e12bce2d6464199408674b24b10f635552ec1cd32981b0c9b0cf3aa39d49"`
[INFO] [stdout] 2f69e12bce2d6464199408674b24b10f635552ec1cd32981b0c9b0cf3aa39d49