[INFO] fetching crate blackboard 1.1.0... [INFO] testing blackboard-1.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate blackboard 1.1.0 into /workspace/builds/worker-0-tc1/source [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] validating manifest of crates.io crate blackboard 1.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66b118a8e40ca9bcbf4df1dc2f228239e88df7304cfd04bb6c99943d860a6a4e [INFO] running `Command { std: "docker" "start" "-a" "66b118a8e40ca9bcbf4df1dc2f228239e88df7304cfd04bb6c99943d860a6a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66b118a8e40ca9bcbf4df1dc2f228239e88df7304cfd04bb6c99943d860a6a4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66b118a8e40ca9bcbf4df1dc2f228239e88df7304cfd04bb6c99943d860a6a4e", kill_on_drop: false }` [INFO] [stdout] 66b118a8e40ca9bcbf4df1dc2f228239e88df7304cfd04bb6c99943d860a6a4e [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b94d40b223a900709bccd4abbafb10c495316b0a005e508542bdd257f9ba79fc [INFO] running `Command { std: "docker" "start" "-a" "b94d40b223a900709bccd4abbafb10c495316b0a005e508542bdd257f9ba79fc", kill_on_drop: false }` [INFO] [stderr] Compiling blackboard v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Kitchen` is never constructed [INFO] [stdout] --> src/main.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Kitchen { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `roast` and `bake` are never used [INFO] [stdout] --> src/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Kitchen { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 8 | fn roast(&mut self, food: &mut &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn bake(&mut self, food: &mut &str) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "b94d40b223a900709bccd4abbafb10c495316b0a005e508542bdd257f9ba79fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b94d40b223a900709bccd4abbafb10c495316b0a005e508542bdd257f9ba79fc", kill_on_drop: false }` [INFO] [stdout] b94d40b223a900709bccd4abbafb10c495316b0a005e508542bdd257f9ba79fc [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 258437576d2061ecb1b6794ead090f6ab9fdc7a35b7c5a321180acb2f81cc52d [INFO] running `Command { std: "docker" "start" "-a" "258437576d2061ecb1b6794ead090f6ab9fdc7a35b7c5a321180acb2f81cc52d", kill_on_drop: false }` [INFO] [stderr] Compiling blackboard v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Kitchen` is never constructed [INFO] [stdout] --> src/main.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Kitchen { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `roast` and `bake` are never used [INFO] [stdout] --> src/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Kitchen { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] 8 | fn roast(&mut self, food: &mut &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn bake(&mut self, food: &mut &str) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [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" "258437576d2061ecb1b6794ead090f6ab9fdc7a35b7c5a321180acb2f81cc52d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "258437576d2061ecb1b6794ead090f6ab9fdc7a35b7c5a321180acb2f81cc52d", kill_on_drop: false }` [INFO] [stdout] 258437576d2061ecb1b6794ead090f6ab9fdc7a35b7c5a321180acb2f81cc52d