[INFO] fetching crate racer 2.1.44... [INFO] checking racer-2.1.44 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] extracting crate racer 2.1.44 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate racer 2.1.44 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate racer 2.1.44 [INFO] finished tweaking crates.io crate racer 2.1.44 [INFO] tweaked toml for crates.io crate racer 2.1.44 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate racer 2.1.44 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v1.5.2 [INFO] [stderr] Downloaded tracing-core v0.1.15 [INFO] [stderr] Downloaded measureme v9.0.0 [INFO] [stderr] Downloaded stacker v0.1.12 [INFO] [stderr] Downloaded hashbrown v0.8.2 [INFO] [stderr] Downloaded sha2 v0.9.2 [INFO] [stderr] Downloaded rustc-ap-rustc_ast_pretty v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_fs_util v702.0.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.10 [INFO] [stderr] Downloaded racer v2.1.43 [INFO] [stderr] Downloaded rustc-ap-rustc_ast v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_target v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_arena v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_macros v702.0.0 [INFO] [stderr] Downloaded racer-testutils v0.1.0 [INFO] [stderr] Downloaded rustc-ap-rustc_data_structures v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lint_defs v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_session v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lexer v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_serialize v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_span v702.0.0 [INFO] [stderr] Downloaded rls-span v0.5.2 [INFO] [stderr] Downloaded sha-1 v0.9.2 [INFO] [stderr] Downloaded serde_derive v1.0.105 [INFO] [stderr] Downloaded cc v1.0.53 [INFO] [stderr] Downloaded serde_json v1.0.50 [INFO] [stderr] Downloaded serde v1.0.105 [INFO] [stderr] Downloaded rustc-ap-rustc_graphviz v702.0.0 [INFO] [stderr] Downloaded psm v0.1.8 [INFO] [stderr] Downloaded rustc-ap-rustc_feature v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_parse v702.0.0 [INFO] [stderr] Downloaded derive_more v0.99.5 [INFO] [stderr] Downloaded regex v1.3.6 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded tracing v0.1.19 [INFO] [stderr] Downloaded rustc-ap-rustc_index v702.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v702.0.0 [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] e4e135e938b30be56e41f69965d99170e093c01deafb2d22f1fa967eb8505251 [INFO] running `Command { std: "docker" "start" "-a" "e4e135e938b30be56e41f69965d99170e093c01deafb2d22f1fa967eb8505251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4e135e938b30be56e41f69965d99170e093c01deafb2d22f1fa967eb8505251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4e135e938b30be56e41f69965d99170e093c01deafb2d22f1fa967eb8505251", kill_on_drop: false }` [INFO] [stdout] e4e135e938b30be56e41f69965d99170e093c01deafb2d22f1fa967eb8505251 [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=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8555c049e55a70cf597e2d802f82441a6f48c3c5081698d9e0409f1c2e0cb70d [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" "8555c049e55a70cf597e2d802f82441a6f48c3c5081698d9e0409f1c2e0cb70d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling cc v1.0.53 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rustc-rayon-core v0.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v702.0.0 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v705.0.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Checking annotate-snippets v0.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v702.0.0 [INFO] [stderr] Checking humantime v2.0.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v705.0.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.15 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rustc-ap-rustc_arena v705.0.0 [INFO] [stderr] Checking rustc-ap-rustc_arena v702.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking rustc-ap-rustc_lexer v705.0.0 [INFO] [stderr] Checking rustc-ap-rustc_lexer v702.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking ena v0.14.0 [INFO] [stderr] Compiling psm v0.1.8 [INFO] [stderr] Compiling stacker v0.1.12 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking jobserver v0.1.21 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking termize v0.1.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rustc-ap-rustc_serialize v702.0.0 [INFO] [stderr] Checking rustc-ap-rustc_serialize v705.0.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking measureme v9.0.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking md-5 v0.9.1 [INFO] [stderr] Checking sha2 v0.9.2 [INFO] [stderr] Checking sha-1 v0.9.2 [INFO] [stdout] error[E0658]: use of unstable library feature 'int_bits_const' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_serialize-702.0.0/src/leb128.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | if (shift < <$int_ty>::BITS) && ((byte & 0x40) != 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 152 | impl_read_signed_leb128!(read_i16_leb128, i16); [INFO] [stdout] | ----------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #76904 for more information [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_bits_const' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_serialize-702.0.0/src/leb128.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | if (shift < <$int_ty>::BITS) && ((byte & 0x40) != 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 153 | impl_read_signed_leb128!(read_i32_leb128, i32); [INFO] [stdout] | ----------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #76904 for more information [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_bits_const' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_serialize-702.0.0/src/leb128.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | if (shift < <$int_ty>::BITS) && ((byte & 0x40) != 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | impl_read_signed_leb128!(read_i64_leb128, i64); [INFO] [stdout] | ----------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #76904 for more information [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_bits_const' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_serialize-702.0.0/src/leb128.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | if (shift < <$int_ty>::BITS) && ((byte & 0x40) != 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 155 | impl_read_signed_leb128!(read_i128_leb128, i128); [INFO] [stdout] | ------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #76904 for more information [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_bits_const' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_serialize-702.0.0/src/leb128.rs:142:25 [INFO] [stdout] | [INFO] [stdout] 142 | if (shift < <$int_ty>::BITS) && ((byte & 0x40) != 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | impl_read_signed_leb128!(read_isize_leb128, isize); [INFO] [stdout] | --------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: see issue #76904 for more information [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [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_serialize` [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" "8555c049e55a70cf597e2d802f82441a6f48c3c5081698d9e0409f1c2e0cb70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8555c049e55a70cf597e2d802f82441a6f48c3c5081698d9e0409f1c2e0cb70d", kill_on_drop: false }` [INFO] [stdout] 8555c049e55a70cf597e2d802f82441a6f48c3c5081698d9e0409f1c2e0cb70d