[INFO] fetching crate racer 2.1.39... [INFO] checking racer-2.1.39 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] extracting crate racer 2.1.39 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate racer 2.1.39 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate racer 2.1.39 [INFO] finished tweaking crates.io crate racer 2.1.39 [INFO] tweaked toml for crates.io crate racer 2.1.39 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate racer 2.1.39 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc66687b264fb09d83441caf2f5cf2b91f561fe7c266f1f5aa9be974ebf6fcf1 [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" "dc66687b264fb09d83441caf2f5cf2b91f561fe7c266f1f5aa9be974ebf6fcf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc66687b264fb09d83441caf2f5cf2b91f561fe7c266f1f5aa9be974ebf6fcf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc66687b264fb09d83441caf2f5cf2b91f561fe7c266f1f5aa9be974ebf6fcf1", kill_on_drop: false }` [INFO] [stdout] dc66687b264fb09d83441caf2f5cf2b91f561fe7c266f1f5aa9be974ebf6fcf1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7ef04ed4c27a011717e4f7b9bd61fa24d7dc6a4ea918a0fc53b9ec0d6ffe8ed [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" "a7ef04ed4c27a011717e4f7b9bd61fa24d7dc6a4ea918a0fc53b9ec0d6ffe8ed", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cc v1.0.53 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v679.0.0 [INFO] [stderr] Checking rustc-ap-rustc_graphviz v677.0.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking annotate-snippets v0.8.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v677.0.0 [INFO] [stderr] Checking rustc-ap-rustc_fs_util v679.0.0 [INFO] [stderr] Checking humantime v2.0.0 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking getopts v0.2.21 [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 rustc-ap-rustc_lexer v679.0.0 [INFO] [stderr] Checking rustc-ap-rustc_lexer v677.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking jobserver v0.1.21 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking termize v0.1.1 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking ena v0.14.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rustc-ap-rustc_serialize v679.0.0 [INFO] [stderr] Checking rustc-ap-rustc_serialize v677.0.0 [INFO] [stderr] Checking rustc-rayon-core v0.3.0 [INFO] [stderr] Compiling psm v0.1.8 [INFO] [stderr] Compiling stacker v0.1.11 [INFO] [stderr] Checking measureme v0.7.1 [INFO] [stderr] Checking rustc-rayon v0.3.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.6 [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 v679.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_macros v677.0.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling derive_more v0.99.5 [INFO] [stderr] Checking rustc-ap-rustc_index v677.0.0 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking rustc-ap-rustc_data_structures v677.0.0 [INFO] [stderr] Checking rustc-ap-rustc_index v679.0.0 [INFO] [stderr] Checking rustc-ap-rustc_data_structures v679.0.0 [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-679.0.0/src/graph/iterate/mod.rs:182:37 [INFO] [stdout] | [INFO] [stdout] 182 | return Some(val); [INFO] [stdout] | ^^^ expected associated type, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected associated type `>::BreakVal` [INFO] [stdout] found unit type `()` [INFO] [stdout] help: consider constraining the associated type `>::BreakVal` to `()` [INFO] [stdout] | [INFO] [stdout] 170 | V: TriColorVisitor, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-679.0.0/src/graph/iterate/mod.rs:197:37 [INFO] [stdout] | [INFO] [stdout] 197 | return Some(val); [INFO] [stdout] | ^^^ expected associated type, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected associated type `>::BreakVal` [INFO] [stdout] found unit type `()` [INFO] [stdout] help: consider constraining the associated type `>::BreakVal` to `()` [INFO] [stdout] | [INFO] [stdout] 170 | V: TriColorVisitor, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-679.0.0/src/graph/iterate/mod.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 259 | ) -> ControlFlow { [INFO] [stdout] | --------------------------- expected `std::ops::ControlFlow<(), >::BreakVal>` because of return type [INFO] [stdout] 260 | ControlFlow::CONTINUE [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::ops::ControlFlow<_, >::BreakVal>` [INFO] [stdout] found enum `std::ops::ControlFlow<_, ()>` [INFO] [stdout] = help: consider constraining the associated type `>::BreakVal` to `()` or calling a method that returns `>::BreakVal` [INFO] [stdout] = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-679.0.0/src/graph/iterate/mod.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 264 | fn node_settled(&mut self, _node: G::Node) -> ControlFlow { [INFO] [stdout] | --------------------------- expected `std::ops::ControlFlow<(), >::BreakVal>` because of return type [INFO] [stdout] 265 | ControlFlow::CONTINUE [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::ops::ControlFlow<_, >::BreakVal>` [INFO] [stdout] found enum `std::ops::ControlFlow<_, ()>` [INFO] [stdout] = help: consider constraining the associated type `>::BreakVal` to `()` or calling a method that returns `>::BreakVal` [INFO] [stdout] = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rustc-ap-rustc_arena v677.0.0 [INFO] [stderr] Checking rustc-ap-rustc_span v677.0.0 [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-ap-rustc_data_structures` [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" "a7ef04ed4c27a011717e4f7b9bd61fa24d7dc6a4ea918a0fc53b9ec0d6ffe8ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ef04ed4c27a011717e4f7b9bd61fa24d7dc6a4ea918a0fc53b9ec0d6ffe8ed", kill_on_drop: false }` [INFO] [stdout] a7ef04ed4c27a011717e4f7b9bd61fa24d7dc6a4ea918a0fc53b9ec0d6ffe8ed