[INFO] fetching crate actix-ratelimit 0.3.0...
[INFO] checking actix-ratelimit-0.3.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate actix-ratelimit 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate actix-ratelimit 0.3.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-ratelimit 0.3.0
[INFO] finished tweaking crates.io crate actix-ratelimit 0.3.0
[INFO] tweaked toml for crates.io crate actix-ratelimit 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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] 5db23b3b178aad804764f0fa970de5c926709b0c89368bd01052ed321dd39bad
[INFO] running `Command { std: "docker" "start" "-a" "5db23b3b178aad804764f0fa970de5c926709b0c89368bd01052ed321dd39bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db23b3b178aad804764f0fa970de5c926709b0c89368bd01052ed321dd39bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db23b3b178aad804764f0fa970de5c926709b0c89368bd01052ed321dd39bad", kill_on_drop: false }`
[INFO] [stdout] 5db23b3b178aad804764f0fa970de5c926709b0c89368bd01052ed321dd39bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--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] a9284cf8cabd1df5130cc167727d7c092f53ef4c07a595354b159a0a80e1ccf0
[INFO] running `Command { std: "docker" "start" "-a" "a9284cf8cabd1df5130cc167727d7c092f53ef4c07a595354b159a0a80e1ccf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking backoff v0.2.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling enum_dispatch v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_dispatch-0.2.4/src/enum_dispatch_item.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl syn::export::quote::ToTokens for EnumDispatchItem {
[INFO] [stdout]    |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_dispatch-0.2.4/src/enum_dispatch_variant.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl syn::export::quote::ToTokens for EnumDispatchVariant {
[INFO] [stdout]    |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_dispatch-0.2.4/src/expansion.rs:243:69
[INFO] [stdout]     |
[INFO] [stdout] 243 |                         ident: syn::Ident::new("self", syn::export::Span::call_site()),
[INFO] [stdout]     |                                                                     ^^^^ not found in `syn::export`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::expansion::proc_macro::Span;
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::expansion::proc_macro::bridge::server::Span;
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::expansion::syn::__private::Span;
[INFO] [stdout]     |
[INFO] [stdout] 3   | use proc_macro2::Span;
[INFO] [stdout]     |
[INFO] [stdout]       and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enum_dispatch`
[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" "a9284cf8cabd1df5130cc167727d7c092f53ef4c07a595354b159a0a80e1ccf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9284cf8cabd1df5130cc167727d7c092f53ef4c07a595354b159a0a80e1ccf0", kill_on_drop: false }`
[INFO] [stdout] a9284cf8cabd1df5130cc167727d7c092f53ef4c07a595354b159a0a80e1ccf0