[INFO] fetching crate scx_stats_derive 1.0.6... [INFO] checking scx_stats_derive-1.0.6 against try#52ae2445414b2a196b318d85c2819995c6e5f1aa for pr-133397 [INFO] extracting crate scx_stats_derive 1.0.6 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate scx_stats_derive 1.0.6 on toolchain 52ae2445414b2a196b318d85c2819995c6e5f1aa [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scx_stats_derive 1.0.6 [INFO] finished tweaking crates.io crate scx_stats_derive 1.0.6 [INFO] tweaked toml for crates.io crate scx_stats_derive 1.0.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 20 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb030f93db47ba2b7f3cc72ee73533dd67758c1564fd419da50540fe4bd5f89a [INFO] running `Command { std: "docker" "start" "-a" "fb030f93db47ba2b7f3cc72ee73533dd67758c1564fd419da50540fe4bd5f89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb030f93db47ba2b7f3cc72ee73533dd67758c1564fd419da50540fe4bd5f89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb030f93db47ba2b7f3cc72ee73533dd67758c1564fd419da50540fe4bd5f89a", kill_on_drop: false }` [INFO] [stdout] fb030f93db47ba2b7f3cc72ee73533dd67758c1564fd419da50540fe4bd5f89a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 162a6993f509e314985536efdf5aab84204ceb66a31a0fa73b02a88840edc588 [INFO] running `Command { std: "docker" "start" "-a" "162a6993f509e314985536efdf5aab84204ceb66a31a0fa73b02a88840edc588", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling libc v0.2.166 [INFO] [stderr] Compiling serde_json v1.0.133 [INFO] [stderr] Compiling anyhow v1.0.93 [INFO] [stderr] Checking itoa v1.0.14 [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking proc-macro2 v1.0.92 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Checking scx_stats v1.0.6 [INFO] [stdout] error[E0271]: expected `{closure@server.rs:211:28}` to be a closure that returns `Result>, Error>`, but it returns `Result, _>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/scx_stats-1.0.6/src/server.rs:211:19 [INFO] [stdout] | [INFO] [stdout] 211 | open: Box::new(move |_| { [INFO] [stdout] | ___________________^ [INFO] [stdout] 212 | | let copy = wrapped_read.clone(); [INFO] [stdout] 213 | | Ok(Box::new(move |args, chan| copy(args, chan))) [INFO] [stdout] 214 | | }), [INFO] [stdout] | |______________^ expected `dyn StatsReader`, found closure [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result + 'static)>, anyhow::Error>` [INFO] [stdout] found enum `Result, _>` [INFO] [stdout] = help: `{closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/scx_stats-1.0.6/src/server.rs:213:29: 213:46}` implements `StatsReader` so you could box the found value and coerce it to the trait object `Box`, you will have to change the expected type as well [INFO] [stdout] note: required for `{closure@server.rs:211:28}` to implement `StatsOpener<_, _>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/scx_stats-1.0.6/src/server.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 61 | T: FnMut((&Sender, &Receiver)) -> Result>> + Send, [INFO] [stdout] | -------------------------------------- unsatisfied trait bound introduced here [INFO] [stdout] 62 | > StatsOpener for T [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] = note: required for the cast from `Box<{closure@server.rs:211:28}>` to `std::boxed::Box<(dyn StatsOpener<_, _> + 'static)>` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/scx_stats-9eafacd0fe0b97ce.long-type-3315325760643087022.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0271`. [INFO] [stdout] [INFO] [stderr] error: could not compile `scx_stats` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "162a6993f509e314985536efdf5aab84204ceb66a31a0fa73b02a88840edc588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "162a6993f509e314985536efdf5aab84204ceb66a31a0fa73b02a88840edc588", kill_on_drop: false }` [INFO] [stdout] 162a6993f509e314985536efdf5aab84204ceb66a31a0fa73b02a88840edc588