[INFO] fetching crate incinerator 0.0.1...
[INFO] checking incinerator-0.0.1 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate incinerator 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate incinerator 0.0.1 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate incinerator 0.0.1
[INFO] finished tweaking crates.io crate incinerator 0.0.1
[INFO] tweaked toml for crates.io crate incinerator 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16f797105d1783800cd401354c40218f088e6f892610efc289a584ab6dc4285
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a16f797105d1783800cd401354c40218f088e6f892610efc289a584ab6dc4285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16f797105d1783800cd401354c40218f088e6f892610efc289a584ab6dc4285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16f797105d1783800cd401354c40218f088e6f892610efc289a584ab6dc4285", kill_on_drop: false }`
[INFO] [stdout] a16f797105d1783800cd401354c40218f088e6f892610efc289a584ab6dc4285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bbb7b8f4ddf99836993c3306cb1d1e0b07f3e98d27ea7f048ad301041d52a54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6bbb7b8f4ddf99836993c3306cb1d1e0b07f3e98d27ea7f048ad301041d52a54", kill_on_drop: false }`
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling atomic_enum v0.1.1
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking incinerator v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:489:50
[INFO] [stdout]     |
[INFO] [stdout] 489 |             let objcount = unsafe { segment.data.get_ref() }.objcount.get();
[INFO] [stdout]     |                                                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:490:56
[INFO] [stdout]     |
[INFO] [stdout] 490 |             match objcount.cmp(&(unsafe { segment.data.get_ref() }.layout.get().maxobj as usize)) {
[INFO] [stdout]     |                                                        ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:495:52
[INFO] [stdout]     |
[INFO] [stdout] 495 | ...                   [unsafe { segment.data.get_ref() }.layout.get().objsize_log2 as usize];
[INFO] [stdout]     |                                              ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:519:43
[INFO] [stdout]     |
[INFO] [stdout] 519 | ...                   [segment.data.get_ref().layout.get().objsize_log2 as usize]
[INFO] [stdout]     |                                     ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:605:85
[INFO] [stdout]     |
[INFO] [stdout] 605 |         let oldlayout = unsafe { self.current_segment.get().expect(GC_CONTEXT).data.get_ref() }
[INFO] [stdout]     |                                                                                     ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:625:18
[INFO] [stdout]     |
[INFO] [stdout] 625 |                 .get_ref()
[INFO] [stdout]     |                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:629:18
[INFO] [stdout]     |
[INFO] [stdout] 629 |                 .get_ref()
[INFO] [stdout]     |                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:655:18
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 .get_ref()
[INFO] [stdout]     |                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:489:50
[INFO] [stdout]     |
[INFO] [stdout] 489 |             let objcount = unsafe { segment.data.get_ref() }.objcount.get();
[INFO] [stdout]     |                                                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:490:56
[INFO] [stdout]     |
[INFO] [stdout] 490 |             match objcount.cmp(&(unsafe { segment.data.get_ref() }.layout.get().maxobj as usize)) {
[INFO] [stdout]     |                                                        ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:495:52
[INFO] [stdout]     |
[INFO] [stdout] 495 | ...                   [unsafe { segment.data.get_ref() }.layout.get().objsize_log2 as usize];
[INFO] [stdout]     |                                              ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:519:43
[INFO] [stdout]     |
[INFO] [stdout] 519 | ...                   [segment.data.get_ref().layout.get().objsize_log2 as usize]
[INFO] [stdout]     |                                     ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:605:85
[INFO] [stdout]     |
[INFO] [stdout] 605 |         let oldlayout = unsafe { self.current_segment.get().expect(GC_CONTEXT).data.get_ref() }
[INFO] [stdout]     |                                                                                     ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:625:18
[INFO] [stdout]     |
[INFO] [stdout] 625 |                 .get_ref()
[INFO] [stdout]     |                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:629:18
[INFO] [stdout]     |
[INFO] [stdout] 629 |                 .get_ref()
[INFO] [stdout]     |                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `incinerator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<segment::Segment>` in the current scope
[INFO] [stdout]    --> heap.rs:655:18
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 .get_ref()
[INFO] [stdout]     |                  ^^^^^^^ method not found in `MaybeUninit<segment::Segment>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6bbb7b8f4ddf99836993c3306cb1d1e0b07f3e98d27ea7f048ad301041d52a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbb7b8f4ddf99836993c3306cb1d1e0b07f3e98d27ea7f048ad301041d52a54", kill_on_drop: false }`
[INFO] [stdout] 6bbb7b8f4ddf99836993c3306cb1d1e0b07f3e98d27ea7f048ad301041d52a54