[INFO] fetching crate incinerator 0.0.1... [INFO] testing incinerator-0.0.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate incinerator 0.0.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate incinerator 0.0.1 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1744e6065a90890c1c7e796d34c088fd658f34d6a6faa2b7e524faa9e8cf797f [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" "1744e6065a90890c1c7e796d34c088fd658f34d6a6faa2b7e524faa9e8cf797f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1744e6065a90890c1c7e796d34c088fd658f34d6a6faa2b7e524faa9e8cf797f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1744e6065a90890c1c7e796d34c088fd658f34d6a6faa2b7e524faa9e8cf797f", kill_on_drop: false }` [INFO] [stdout] 1744e6065a90890c1c7e796d34c088fd658f34d6a6faa2b7e524faa9e8cf797f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcb38a11d51507517b5db24648ff995a54e08e6c3330dbfc8f932f5d3b6e13c0 [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" "dcb38a11d51507517b5db24648ff995a54e08e6c3330dbfc8f932f5d3b6e13c0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling smallvec v1.6.0 [INFO] [stderr] Compiling nested v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.8.2 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling atomic_enum v0.1.1 [INFO] [stderr] Compiling incinerator v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![feature( [INFO] [stdout] 2 | | alloc_layout_extra, [INFO] [stdout] 3 | | cell_update, [INFO] [stdout] 4 | | raw, [INFO] [stdout] 5 | | maybe_uninit_ref, [INFO] [stdout] 6 | | maybe_uninit_extra [INFO] [stdout] 7 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` 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` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` 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` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` 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` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` 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` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` 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` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> heap.rs:625:18 [INFO] [stdout] | [INFO] [stdout] 625 | .get_ref() [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> heap.rs:629:18 [INFO] [stdout] | [INFO] [stdout] 629 | .get_ref() [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit` in the current scope [INFO] [stdout] --> heap.rs:655:18 [INFO] [stdout] | [INFO] [stdout] 655 | .get_ref() [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 9 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `incinerator` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "dcb38a11d51507517b5db24648ff995a54e08e6c3330dbfc8f932f5d3b6e13c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcb38a11d51507517b5db24648ff995a54e08e6c3330dbfc8f932f5d3b6e13c0", kill_on_drop: false }` [INFO] [stdout] dcb38a11d51507517b5db24648ff995a54e08e6c3330dbfc8f932f5d3b6e13c0