[INFO] fetching crate blackboard 1.1.0... [INFO] checking blackboard-1.1.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] extracting crate blackboard 1.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate blackboard 1.1.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-0-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f9d5b7aadf846e41f3e578cc852936e50b105143bb97433685fb6a0d9ba2e65 [INFO] running `Command { std: "docker" "start" "-a" "8f9d5b7aadf846e41f3e578cc852936e50b105143bb97433685fb6a0d9ba2e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f9d5b7aadf846e41f3e578cc852936e50b105143bb97433685fb6a0d9ba2e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f9d5b7aadf846e41f3e578cc852936e50b105143bb97433685fb6a0d9ba2e65", kill_on_drop: false }` [INFO] [stdout] 8f9d5b7aadf846e41f3e578cc852936e50b105143bb97433685fb6a0d9ba2e65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47878caf72bd1e960916a048c612d3b912228ce4f6aca3caead5b01437b89f89 [INFO] running `Command { std: "docker" "start" "-a" "47878caf72bd1e960916a048c612d3b912228ce4f6aca3caead5b01437b89f89", 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] error: aborting due to 1 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" "47878caf72bd1e960916a048c612d3b912228ce4f6aca3caead5b01437b89f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47878caf72bd1e960916a048c612d3b912228ce4f6aca3caead5b01437b89f89", kill_on_drop: false }` [INFO] [stdout] 47878caf72bd1e960916a048c612d3b912228ce4f6aca3caead5b01437b89f89 [INFO] checking blackboard-1.1.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] extracting crate blackboard 1.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate blackboard 1.1.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-0-tc2/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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eeae66cda3e76c4aea1da4040ce263c31cf92840daad9620f93653afd25e31ad [INFO] running `Command { std: "docker" "start" "-a" "eeae66cda3e76c4aea1da4040ce263c31cf92840daad9620f93653afd25e31ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eeae66cda3e76c4aea1da4040ce263c31cf92840daad9620f93653afd25e31ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeae66cda3e76c4aea1da4040ce263c31cf92840daad9620f93653afd25e31ad", kill_on_drop: false }` [INFO] [stdout] eeae66cda3e76c4aea1da4040ce263c31cf92840daad9620f93653afd25e31ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4c80c65a4f118bb876072ef36d0967a0c7e1e70558ef172659aa836b082bcaf [INFO] running `Command { std: "docker" "start" "-a" "c4c80c65a4f118bb876072ef36d0967a0c7e1e70558ef172659aa836b082bcaf", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "c4c80c65a4f118bb876072ef36d0967a0c7e1e70558ef172659aa836b082bcaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4c80c65a4f118bb876072ef36d0967a0c7e1e70558ef172659aa836b082bcaf", kill_on_drop: false }` [INFO] [stdout] c4c80c65a4f118bb876072ef36d0967a0c7e1e70558ef172659aa836b082bcaf