[INFO] updating cached repository https://github.com/saschagrunert/yew-router
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f18148bb06f3d047dc5cdbc81287a404a619834d
[INFO] checking saschagrunert/yew-router against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fyew-router" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saschagrunert/yew-router on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/saschagrunert/yew-router
[INFO] finished tweaking git repo https://github.com/saschagrunert/yew-router
[INFO] tweaked toml for git repo https://github.com/saschagrunert/yew-router written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/saschagrunert/yew-router already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 348692a05778a31e2c3451f2499b4db64cf9d0c5b8f5fdec4e126a0c2eba770e
[INFO] running `"docker" "start" "-a" "348692a05778a31e2c3451f2499b4db64cf9d0c5b8f5fdec4e126a0c2eba770e"`
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling yew v0.9.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling yew-macro v0.9.0
[INFO] [stderr]    Compiling stdweb v0.4.19
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.2
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.8
[INFO] [stderr]     Checking web_logger v0.2.0
[INFO] [stderr]     Checking yew-router v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `join` found for reference `&&str` in the current scope
[INFO] [stderr]   --> examples/history_state.rs:86:80
[INFO] [stderr]    |
[INFO] [stderr] 86 |             ["settings", sub_route] => RouterTarget::Settings(parse(&sub_route.join("/"))?),
[INFO] [stderr]    |                                                                                ^^^^ method not found in `&&str`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `yew-router`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "348692a05778a31e2c3451f2499b4db64cf9d0c5b8f5fdec4e126a0c2eba770e"`
[INFO] running `"docker" "rm" "-f" "348692a05778a31e2c3451f2499b4db64cf9d0c5b8f5fdec4e126a0c2eba770e"`
[INFO] [stdout] 348692a05778a31e2c3451f2499b4db64cf9d0c5b8f5fdec4e126a0c2eba770e
