[INFO] fetching crate router-rs 0.2.1...
[INFO] extracting crate router-rs 0.2.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/router-rs/0.2.1
[INFO] extracting crate router-rs 0.2.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/router-rs/0.2.1
[INFO] validating manifest of router-rs-0.2.1 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of router-rs-0.2.1 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing router-rs-0.2.1
[INFO] finished frobbing router-rs-0.2.1
[INFO] frobbed toml for router-rs-0.2.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/router-rs/0.2.1/Cargo.toml
[INFO] started frobbing router-rs-0.2.1
[INFO] finished frobbing router-rs-0.2.1
[INFO] frobbed toml for router-rs-0.2.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/router-rs/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded router-rs-macro v0.1.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking router-rs-0.2.1 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/router-rs/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f7dd246e61dc6cf45b04b6235d3a7dfeaa42d1edbb0349b241b611e64e3ac8a4
[INFO] running `"docker" "start" "-a" "f7dd246e61dc6cf45b04b6235d3a7dfeaa42d1edbb0349b241b611e64e3ac8a4"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling html-validation v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]    Compiling html-macro v0.1.5
[INFO] [stderr]    Compiling router-rs-macro v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling web-sys v0.3.25
[INFO] [stderr]     Checking js-sys v0.3.25
[INFO] [stderr]     Checking virtual-node v0.2.6
[INFO] [stderr]     Checking virtual-dom-rs v0.6.9
[INFO] [stderr]     Checking router-rs v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `virtual_dom_rs::VText`
[INFO] [stderr]  --> src/route.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use virtual_dom_rs::VText;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `virtual_dom_rs::VirtualNode`
[INFO] [stderr]  --> src/route.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use virtual_dom_rs::VirtualNode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub type ParseRouteParam = Box<Fn(&str, &str) -> Option<Box<dyn RouteParam>>>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str, &str) -> Option<Box<dyn RouteParam>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `virtual_dom_rs::VText`
[INFO] [stderr]  --> src/route.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use virtual_dom_rs::VText;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub type ParseRouteParam = Box<Fn(&str, &str) -> Option<Box<dyn RouteParam>>>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str, &str) -> Option<Box<dyn RouteParam>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]    --> src/route.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     use std::cell::RefCell;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]    --> src/route.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |     use std::rc::Rc;
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyView`
[INFO] [stderr]    --> src/route.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 |     struct MyView {
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.74s
[INFO] running `"docker" "inspect" "f7dd246e61dc6cf45b04b6235d3a7dfeaa42d1edbb0349b241b611e64e3ac8a4"`
[INFO] running `"docker" "rm" "-f" "f7dd246e61dc6cf45b04b6235d3a7dfeaa42d1edbb0349b241b611e64e3ac8a4"`
[INFO] [stdout] f7dd246e61dc6cf45b04b6235d3a7dfeaa42d1edbb0349b241b611e64e3ac8a4