[INFO] fetching crate incinerator 0.0.1...
[INFO] checking incinerator-0.0.1 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] extracting crate incinerator 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate incinerator 0.0.1 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nested v0.1.1
[INFO] [stderr]   Downloaded atomic_enum v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] daa0e2b9108bd9f9d5a74cba85794da4ab2bfdb2a3b05f0d5b69967bc556558f
[INFO] running `Command { std: "docker" "start" "-a" "daa0e2b9108bd9f9d5a74cba85794da4ab2bfdb2a3b05f0d5b69967bc556558f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa0e2b9108bd9f9d5a74cba85794da4ab2bfdb2a3b05f0d5b69967bc556558f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa0e2b9108bd9f9d5a74cba85794da4ab2bfdb2a3b05f0d5b69967bc556558f", kill_on_drop: false }`
[INFO] [stdout] daa0e2b9108bd9f9d5a74cba85794da4ab2bfdb2a3b05f0d5b69967bc556558f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c3a277590200f4828be0af7ffad9c8d83b2631c916dc29dce99856a2514544
[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" "22c3a277590200f4828be0af7ffad9c8d83b2631c916dc29dce99856a2514544", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[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[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: 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: 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: 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" "22c3a277590200f4828be0af7ffad9c8d83b2631c916dc29dce99856a2514544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c3a277590200f4828be0af7ffad9c8d83b2631c916dc29dce99856a2514544", kill_on_drop: false }`
[INFO] [stdout] 22c3a277590200f4828be0af7ffad9c8d83b2631c916dc29dce99856a2514544