[INFO] fetching crate blackboard 1.1.0...
[INFO] checking blackboard-1.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate blackboard 1.1.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate blackboard 1.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blackboard 1.1.0
[INFO] finished tweaking crates.io crate blackboard 1.1.0
[INFO] tweaked toml for crates.io crate blackboard 1.1.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate crates.io crate blackboard 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e183a8fd95d81c952b08181b01da956f1e43c4ce9367e6fc54a89b9aadb243f6
[INFO] running `Command { std: "docker" "start" "-a" "e183a8fd95d81c952b08181b01da956f1e43c4ce9367e6fc54a89b9aadb243f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e183a8fd95d81c952b08181b01da956f1e43c4ce9367e6fc54a89b9aadb243f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e183a8fd95d81c952b08181b01da956f1e43c4ce9367e6fc54a89b9aadb243f6", kill_on_drop: false }`
[INFO] [stdout] e183a8fd95d81c952b08181b01da956f1e43c4ce9367e6fc54a89b9aadb243f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ca10e9341e6aac4c3f5173d66b3c1300d48f9fedf6aae6a6702f3985cf46fb
[INFO] running `Command { std: "docker" "start" "-a" "56ca10e9341e6aac4c3f5173d66b3c1300d48f9fedf6aae6a6702f3985cf46fb", kill_on_drop: false }`
[INFO] [stderr]     Checking blackboard v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         fn change(_: &&str) {
[INFO] [stdout]     |         ------------------- found signature of `for<'r, 's> fn(&'r &'s str) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 159 |         bb.subscribe("Park", change);
[INFO] [stdout]     |                              ^^^^^^ expected signature of `for<'r> fn(&'r mut &str) -> _`
[INFO] [stdout]     |
[INFO] [stdout] note: required because of the requirements on the impl of `Subscriptor<&str>` for `for<'r, 's> fn(&'r &'s str) {change}`
[INFO] [stdout]    --> src/lib.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl<T, F> Subscriptor<T> for F 
[INFO] [stdout]     |            ^^^^^^^^^^^^^^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0631`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackboard` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "56ca10e9341e6aac4c3f5173d66b3c1300d48f9fedf6aae6a6702f3985cf46fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ca10e9341e6aac4c3f5173d66b3c1300d48f9fedf6aae6a6702f3985cf46fb", kill_on_drop: false }`
[INFO] [stdout] 56ca10e9341e6aac4c3f5173d66b3c1300d48f9fedf6aae6a6702f3985cf46fb