[INFO] fetching crate rustc-ap-rustc_span 685.0.0...
[INFO] checking rustc-ap-rustc_span-685.0.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate rustc-ap-rustc_span 685.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_span 685.0.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_span 685.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_span 685.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_span 685.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f54c0a57adca93b8c4808869b7970e0e05d14b763b7176727ed0e34e500c522
[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" "1f54c0a57adca93b8c4808869b7970e0e05d14b763b7176727ed0e34e500c522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f54c0a57adca93b8c4808869b7970e0e05d14b763b7176727ed0e34e500c522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f54c0a57adca93b8c4808869b7970e0e05d14b763b7176727ed0e34e500c522", kill_on_drop: false }`
[INFO] [stdout] 1f54c0a57adca93b8c4808869b7970e0e05d14b763b7176727ed0e34e500c522
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb4f9b575aa1c46d63913bcb14b1403ca57a6fba51103dac7d306197152ec76
[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" "bdb4f9b575aa1c46d63913bcb14b1403ca57a6fba51103dac7d306197152ec76", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v685.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking stacker v0.1.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v685.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v685.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v685.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v685.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v685.0.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_data_structures-685.0.0/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 `<V as TriColorVisitor<G>>::BreakVal`
[INFO] [stdout]                      found unit type `()`
[INFO] [stdout] help: consider constraining the associated type `<V as TriColorVisitor<G>>::BreakVal` to `()`
[INFO] [stdout]     |
[INFO] [stdout] 170 |         V: TriColorVisitor<G, BreakVal = ()>,
[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-685.0.0/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 `<V as TriColorVisitor<G>>::BreakVal`
[INFO] [stdout]                      found unit type `()`
[INFO] [stdout] help: consider constraining the associated type `<V as TriColorVisitor<G>>::BreakVal` to `()`
[INFO] [stdout]     |
[INFO] [stdout] 170 |         V: TriColorVisitor<G, BreakVal = ()>,
[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-685.0.0/src/graph/iterate/mod.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |     ) -> ControlFlow<Self::BreakVal> {
[INFO] [stdout]     |          --------------------------- expected `std::ops::ControlFlow<(), <Self as TriColorVisitor<G>>::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<_, <Self as TriColorVisitor<G>>::BreakVal>`
[INFO] [stdout]                found enum `std::ops::ControlFlow<_, ()>`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as TriColorVisitor<G>>::BreakVal` to `()` or calling a method that returns `<Self as TriColorVisitor<G>>::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-685.0.0/src/graph/iterate/mod.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn node_settled(&mut self, _node: G::Node) -> ControlFlow<Self::BreakVal> {
[INFO] [stdout]     |                                                   --------------------------- expected `std::ops::ControlFlow<(), <Self as TriColorVisitor<G>>::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<_, <Self as TriColorVisitor<G>>::BreakVal>`
[INFO] [stdout]                found enum `std::ops::ControlFlow<_, ()>`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as TriColorVisitor<G>>::BreakVal` to `()` or calling a method that returns `<Self as TriColorVisitor<G>>::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" "bdb4f9b575aa1c46d63913bcb14b1403ca57a6fba51103dac7d306197152ec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb4f9b575aa1c46d63913bcb14b1403ca57a6fba51103dac7d306197152ec76", kill_on_drop: false }`
[INFO] [stdout] bdb4f9b575aa1c46d63913bcb14b1403ca57a6fba51103dac7d306197152ec76