[INFO] fetching crate blackboard 1.1.0...
[INFO] checking blackboard-1.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate blackboard 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate blackboard 1.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab7afb4240cba03adcaf1bc208cac3e1255a9851e5bb5f2f3c869697c5193555
[INFO] running `Command { std: "docker" "start" "-a" "ab7afb4240cba03adcaf1bc208cac3e1255a9851e5bb5f2f3c869697c5193555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7afb4240cba03adcaf1bc208cac3e1255a9851e5bb5f2f3c869697c5193555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7afb4240cba03adcaf1bc208cac3e1255a9851e5bb5f2f3c869697c5193555", kill_on_drop: false }`
[INFO] [stdout] ab7afb4240cba03adcaf1bc208cac3e1255a9851e5bb5f2f3c869697c5193555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d04c1aba6a64462ab982e267ce8adb26c6e71b95865900042b7afd14baecb6e
[INFO] running `Command { std: "docker" "start" "-a" "4d04c1aba6a64462ab982e267ce8adb26c6e71b95865900042b7afd14baecb6e", 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 defined here
[INFO] [stdout] ...
[INFO] [stdout] 159 |         bb.subscribe("Park", change);
[INFO] [stdout]     |            ---------         ^^^^^^ expected due to this
[INFO] [stdout]     |            |
[INFO] [stdout]     |            required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected function signature `for<'a> fn(&'a mut &str) -> _`
[INFO] [stdout]                found function signature `for<'a, 'b> fn(&'a &'b str) -> _`
[INFO] [stdout] note: required for `for<'a, 'b> fn(&'a &'b str) {change}` to implement `Subscriptor<&str>`
[INFO] [stdout]    --> src/lib.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 10  | impl<T, F> Subscriptor<T> for F 
[INFO] [stdout]     |            ^^^^^^^^^^^^^^     ^
[INFO] [stdout] 11  |     where F: FnMut(&mut T)
[INFO] [stdout]     |              ------------- unsatisfied trait bound introduced here
[INFO] [stdout] note: required by a bound in `BlackBoard::<'a, Section, Type>::subscribe`
[INFO] [stdout]    --> src/lib.rs:70:27
[INFO] [stdout]     |
[INFO] [stdout] 67  |     pub fn subscribe(
[INFO] [stdout]     |            --------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 70  |         subscriptor: impl Subscriptor<Type> + 'a
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ required by this bound in `BlackBoard::<'a, Section, Type>::subscribe`
[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` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4d04c1aba6a64462ab982e267ce8adb26c6e71b95865900042b7afd14baecb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d04c1aba6a64462ab982e267ce8adb26c6e71b95865900042b7afd14baecb6e", kill_on_drop: false }`
[INFO] [stdout] 4d04c1aba6a64462ab982e267ce8adb26c6e71b95865900042b7afd14baecb6e
