[INFO] fetching crate blackboard 1.1.0... [INFO] checking blackboard-1.1.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] extracting crate blackboard 1.1.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate blackboard 1.1.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-4-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 339428cafb9dba37db92ef4217252491b850496e5eb0f28e09d50f97748e4acd [INFO] running `Command { std: "docker" "start" "-a" "339428cafb9dba37db92ef4217252491b850496e5eb0f28e09d50f97748e4acd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "339428cafb9dba37db92ef4217252491b850496e5eb0f28e09d50f97748e4acd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339428cafb9dba37db92ef4217252491b850496e5eb0f28e09d50f97748e4acd", kill_on_drop: false }` [INFO] [stdout] 339428cafb9dba37db92ef4217252491b850496e5eb0f28e09d50f97748e4acd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fee99433341288c4fa1d419b0e8908742e07aec2c09f4790e7e8c84c3f3e183 [INFO] running `Command { std: "docker" "start" "-a" "3fee99433341288c4fa1d419b0e8908742e07aec2c09f4790e7e8c84c3f3e183", 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 &_) -> _` [INFO] [stdout] found function signature `fn(&&_) -> _` [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 Subscriptor 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 + 'a [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `BlackBoard::<'a, Section, Type>::subscribe` [INFO] [stdout] help: consider wrapping the function in a closure [INFO] [stdout] | [INFO] [stdout] 159 | bb.subscribe("Park", |arg0: &mut &str| change(&&**arg0)); [INFO] [stdout] | +++++++++++++++++ ++++++++++ [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 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3fee99433341288c4fa1d419b0e8908742e07aec2c09f4790e7e8c84c3f3e183", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fee99433341288c4fa1d419b0e8908742e07aec2c09f4790e7e8c84c3f3e183", kill_on_drop: false }` [INFO] [stdout] 3fee99433341288c4fa1d419b0e8908742e07aec2c09f4790e7e8c84c3f3e183