[INFO] fetching crate rustc-ap-rustc_session 680.0.0... [INFO] checking rustc-ap-rustc_session-680.0.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] extracting crate rustc-ap-rustc_session 680.0.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate rustc-ap-rustc_session 680.0.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustc-ap-rustc_session 680.0.0 [INFO] finished tweaking crates.io crate rustc-ap-rustc_session 680.0.0 [INFO] tweaked toml for crates.io crate rustc-ap-rustc_session 680.0.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-ap-rustc_target v680.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lexer v680.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast v680.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_feature v680.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_fs_util v680.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v680.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4f9abaa480fff69cf97378d776a6ffff0a29c45087aa9e0312a7aa032d6378e [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" "b4f9abaa480fff69cf97378d776a6ffff0a29c45087aa9e0312a7aa032d6378e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4f9abaa480fff69cf97378d776a6ffff0a29c45087aa9e0312a7aa032d6378e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4f9abaa480fff69cf97378d776a6ffff0a29c45087aa9e0312a7aa032d6378e", kill_on_drop: false }` [INFO] [stdout] b4f9abaa480fff69cf97378d776a6ffff0a29c45087aa9e0312a7aa032d6378e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17def169fc087d750d0c6e5d72aeb410f84590747f103fe408145caa9a3d90b7 [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" "17def169fc087d750d0c6e5d72aeb410f84590747f103fe408145caa9a3d90b7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling rustc-rayon-core v0.3.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v680.0.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking annotate-snippets v0.8.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v680.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking rustc-ap-rustc_lexer v680.0.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking ena v0.14.0 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking rustc-ap-rustc_serialize v680.0.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling psm v0.1.11 [INFO] [stderr] Compiling stacker v0.1.12 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking jobserver v0.1.21 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termize v0.1.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rustc-rayon v0.3.0 [INFO] [stderr] Checking measureme v0.7.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling rustc-ap-rustc_macros v680.0.0 [INFO] [stderr] Checking tracing v0.1.21 [INFO] [stderr] Checking rustc-ap-rustc_index v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_data_structures v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_arena v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_span v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_errors v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_target v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_feature v680.0.0 [INFO] [stderr] Checking rustc-ap-rustc_ast v680.0.0 [INFO] [stdout] error[E0658]: `transmute` is not allowed in constant functions [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_ast-680.0.0/src/ptr.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | std::mem::transmute(NonNull::<[T; 0]>::dangling() as NonNull<[T]>) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53605 for more information [INFO] [stdout] = help: add `#![feature(const_fn_transmute)]` to the crate attributes to enable [INFO] [stdout] = note: `transmute` is only allowed in constants and statics for now [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-ap-rustc_ast` [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "17def169fc087d750d0c6e5d72aeb410f84590747f103fe408145caa9a3d90b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17def169fc087d750d0c6e5d72aeb410f84590747f103fe408145caa9a3d90b7", kill_on_drop: false }` [INFO] [stdout] 17def169fc087d750d0c6e5d72aeb410f84590747f103fe408145caa9a3d90b7