[INFO] fetching crate racer 2.1.40... [INFO] testing racer-2.1.40 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate racer 2.1.40 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate racer 2.1.40 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate racer 2.1.40 [INFO] finished tweaking crates.io crate racer 2.1.40 [INFO] tweaked toml for crates.io crate racer 2.1.40 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate racer 2.1.40 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded psm v0.1.8 [INFO] [stderr] Downloaded measureme v0.7.1 [INFO] [stderr] Downloaded racer-testutils v0.1.0 [INFO] [stderr] Downloaded rustc-ap-rustc_index v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_arena v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_feature v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_macros v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_span v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_data_structures v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_parse v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_serialize v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_session v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_target v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_graphviz v679.0.0 [INFO] [stderr] Downloaded racer v2.1.39 [INFO] [stderr] Downloaded rustc-ap-rustc_lexer v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_fs_util v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast v679.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast_pretty v679.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75554861e2987b717e5b0c65a96f8fb9a431c2b48d475c74a040b32169805cc1 [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" "75554861e2987b717e5b0c65a96f8fb9a431c2b48d475c74a040b32169805cc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75554861e2987b717e5b0c65a96f8fb9a431c2b48d475c74a040b32169805cc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75554861e2987b717e5b0c65a96f8fb9a431c2b48d475c74a040b32169805cc1", kill_on_drop: false }` [INFO] [stdout] 75554861e2987b717e5b0c65a96f8fb9a431c2b48d475c74a040b32169805cc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", 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] 1fe7171bf83e86dce52d919578d9f3ae1f2945a629c00753a418eecaabb064e6 [INFO] running `Command { std: "docker" "start" "-a" "1fe7171bf83e86dce52d919578d9f3ae1f2945a629c00753a418eecaabb064e6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling cc v1.0.53 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling rustc-rayon-core v0.3.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling rustc-ap-rustc_graphviz v686.0.0 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling annotate-snippets v0.8.0 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling rustc-ap-rustc_fs_util v686.0.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling humantime v2.0.0 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling instant v0.1.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling lock_api v0.4.1 [INFO] [stderr] Compiling tracing-core v0.1.15 [INFO] [stderr] Compiling rustc-ap-rustc_lexer v686.0.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling rustc-ap-rustc_arena v686.0.0 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling psm v0.1.8 [INFO] [stderr] Compiling stacker v0.1.12 [INFO] [stderr] Compiling parking_lot_core v0.8.0 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termize v0.1.1 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling parking_lot v0.11.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling measureme v9.0.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rustc-ap-rustc_serialize v686.0.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling md-5 v0.8.0 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling rustc-rayon v0.3.0 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling 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 v686.0.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling derive_more v0.99.5 [INFO] [stderr] Compiling rustc-ap-rustc_index v686.0.0 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling rustc-ap-rustc_data_structures v686.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_span v686.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_ast v686.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_target v686.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_feature v686.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_errors v686.0.0 [INFO] [stderr] Compiling racer-interner v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.50 [INFO] [stderr] Compiling rls-span v0.5.2 [INFO] [stderr] Compiling rustc-ap-rustc_ast_pretty v686.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_session v686.0.0 [INFO] [stderr] Compiling racer-cargo-metadata v0.1.1 [INFO] [stderr] Compiling rustc-ap-rustc_parse v686.0.0 [INFO] [stderr] Compiling racer v2.1.40 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 11s [INFO] running `Command { std: "docker" "inspect" "1fe7171bf83e86dce52d919578d9f3ae1f2945a629c00753a418eecaabb064e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe7171bf83e86dce52d919578d9f3ae1f2945a629c00753a418eecaabb064e6", kill_on_drop: false }` [INFO] [stdout] 1fe7171bf83e86dce52d919578d9f3ae1f2945a629c00753a418eecaabb064e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", 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] 058685f2983546eea95e40606df215a33997c510c2b58f9a1930ff460b0dd745 [INFO] running `Command { std: "docker" "start" "-a" "058685f2983546eea95e40606df215a33997c510c2b58f9a1930ff460b0dd745", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-ap-rustc_graphviz v679.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_fs_util v679.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_lexer v679.0.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling rustc-ap-rustc_serialize v679.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_macros v679.0.0 [INFO] [stderr] Compiling measureme v0.7.1 [INFO] [stderr] Compiling rustc-ap-rustc_index v679.0.0 [INFO] [stderr] Compiling 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] [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] running `Command { std: "docker" "inspect" "058685f2983546eea95e40606df215a33997c510c2b58f9a1930ff460b0dd745", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "058685f2983546eea95e40606df215a33997c510c2b58f9a1930ff460b0dd745", kill_on_drop: false }` [INFO] [stdout] 058685f2983546eea95e40606df215a33997c510c2b58f9a1930ff460b0dd745