[INFO] fetching crate yew-router-min-macro 0.8.0...
[INFO] checking yew-router-min-macro-0.8.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate yew-router-min-macro 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yew-router-min-macro 0.8.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yew-router-min-macro 0.8.0
[INFO] finished tweaking crates.io crate yew-router-min-macro 0.8.0
[INFO] tweaked toml for crates.io crate yew-router-min-macro 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b48c8b8279464c4c1aa8376632e55a285a92f67606a5b1e7ba6c3257c7c14abe
[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" "b48c8b8279464c4c1aa8376632e55a285a92f67606a5b1e7ba6c3257c7c14abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b48c8b8279464c4c1aa8376632e55a285a92f67606a5b1e7ba6c3257c7c14abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48c8b8279464c4c1aa8376632e55a285a92f67606a5b1e7ba6c3257c7c14abe", kill_on_drop: false }`
[INFO] [stdout] b48c8b8279464c4c1aa8376632e55a285a92f67606a5b1e7ba6c3257c7c14abe
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dae1c85d7421d3dc437c36317739c418c44784bd41eee095824ddf464b17a478
[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" "dae1c85d7421d3dc437c36317739c418c44784bd41eee095824ddf464b17a478", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking yew-router-min-route-parser v0.8.0
[INFO] [stderr]     Checking yew-router-min-macro v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     export::TokenStream2, parse_macro_input, Data, DeriveInput, Fields, GenericParam, Generics,
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch/enum_impl.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{export::TokenStream2, Field, Fields, Generics, Ident, Type};
[INFO] [stdout]   |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch/shadow.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::export::TokenStream2;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch/struct_impl.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     export::{TokenStream, TokenStream2},
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     export::TokenStream2, parse_macro_input, Data, DeriveInput, Fields, GenericParam, Generics,
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch/enum_impl.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{export::TokenStream2, Field, Fields, Generics, Ident, Type};
[INFO] [stdout]   |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch/shadow.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use syn::export::TokenStream2;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/switch/struct_impl.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     export::{TokenStream, TokenStream2},
[INFO] [stdout]   |     ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yew-router-min-macro`
[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] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dae1c85d7421d3dc437c36317739c418c44784bd41eee095824ddf464b17a478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae1c85d7421d3dc437c36317739c418c44784bd41eee095824ddf464b17a478", kill_on_drop: false }`
[INFO] [stdout] dae1c85d7421d3dc437c36317739c418c44784bd41eee095824ddf464b17a478