[INFO] fetching crate racer 2.1.46... [INFO] checking racer-2.1.46 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate racer 2.1.46 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate racer 2.1.46 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-8/source/rust-toolchain [INFO] started tweaking crates.io crate racer 2.1.46 [INFO] finished tweaking crates.io crate racer 2.1.46 [INFO] tweaked toml for crates.io crate racer 2.1.46 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate racer 2.1.46 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-attributes v0.1.11 [INFO] [stderr] Downloaded measureme v9.1.0 [INFO] [stderr] Downloaded psm v0.1.8 [INFO] [stderr] Downloaded rls-span v0.5.2 [INFO] [stderr] Downloaded stacker v0.1.12 [INFO] [stderr] Downloaded indexmap v1.5.2 [INFO] [stderr] Downloaded rustc-ap-rustc_graphviz v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lint_defs v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lexer v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_target v712.0.0 [INFO] [stderr] Downloaded serde_json v1.0.50 [INFO] [stderr] Downloaded derive_more v0.99.5 [INFO] [stderr] Downloaded tracing-core v0.1.15 [INFO] [stderr] Downloaded regex v1.3.6 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_fs_util v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast_pretty v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_parse v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_feature v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_session v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_arena v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_data_structures v712.0.0 [INFO] [stderr] Downloaded racer v2.1.45 [INFO] [stderr] Downloaded racer-testutils v0.1.0 [INFO] [stderr] Downloaded rustc-ap-rustc_index v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_macros v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_serialize v712.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_span v712.0.0 [INFO] [stderr] Downloaded winapi-util v0.1.4 [INFO] [stderr] Downloaded sha-1 v0.9.2 [INFO] [stderr] Downloaded sha2 v0.9.2 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e539f54bbe9c66f40a7ad4f26b078b6c57918efa2965e2bf41da90ea392da428 [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" "e539f54bbe9c66f40a7ad4f26b078b6c57918efa2965e2bf41da90ea392da428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e539f54bbe9c66f40a7ad4f26b078b6c57918efa2965e2bf41da90ea392da428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e539f54bbe9c66f40a7ad4f26b078b6c57918efa2965e2bf41da90ea392da428", kill_on_drop: false }` [INFO] [stdout] e539f54bbe9c66f40a7ad4f26b078b6c57918efa2965e2bf41da90ea392da428 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c41434544a5cbc53ac55a4030b70f60588d49d3dd5c0c28709687f434ab5e3a2 [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" "c41434544a5cbc53ac55a4030b70f60588d49d3dd5c0c28709687f434ab5e3a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling cc v1.0.53 [INFO] [stderr] Compiling rustc-rayon-core v0.3.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking unicode-xid v0.2.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking arrayvec v0.7.0 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v718.0.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Checking annotate-snippets v0.8.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v718.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking tracing-core v0.1.15 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking rustc-ap-rustc_lexer v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_lexer v718.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking ena v0.14.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling psm v0.1.8 [INFO] [stderr] Compiling stacker v0.1.12 [INFO] [stderr] Checking sha2 v0.9.2 [INFO] [stderr] Checking md-5 v0.9.1 [INFO] [stderr] Checking sha-1 v0.9.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking perf-event-open-sys v1.0.1 [INFO] [stderr] Checking jobserver v0.1.21 [INFO] [stderr] Checking memmap2 v0.2.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termize v0.1.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rustc-ap-rustc_serialize v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_serialize v712.0.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rustc-rayon v0.3.1 [INFO] [stderr] Checking measureme v9.1.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling rustc-ap-rustc_macros v718.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_macros v712.0.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling derive_more v0.99.5 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking rustc-ap-rustc_index v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_index v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_data_structures v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_data_structures v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_arena v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_span v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_arena v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_span v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_ast v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_target v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_feature v712.0.0 [INFO] [stderr] Checking rustc-ap-rustc_ast v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_target v718.0.0 [INFO] [stderr] Checking rustc-ap-rustc_feature v718.0.0 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking racer-interner v0.1.0 [INFO] [stderr] Checking rls-span v0.5.2 [INFO] [stderr] Checking racer-cargo-metadata v0.1.2 [INFO] [stdout] error[E0658]: unsizing casts to types besides slices are not allowed in const fn [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_ast-712.0.0/src/ptr.rs:136:37 [INFO] [stdout] | [INFO] [stdout] 136 | std::mem::transmute(NonNull::<[T; 0]>::dangling() as NonNull<[T]>) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64992 for more information [INFO] [stdout] = help: add `#![feature(const_fn_unsize)]` to the crate attributes to enable [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" "c41434544a5cbc53ac55a4030b70f60588d49d3dd5c0c28709687f434ab5e3a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c41434544a5cbc53ac55a4030b70f60588d49d3dd5c0c28709687f434ab5e3a2", kill_on_drop: false }` [INFO] [stdout] c41434544a5cbc53ac55a4030b70f60588d49d3dd5c0c28709687f434ab5e3a2