[INFO] fetching crate future-bus 0.2.1... [INFO] testing future-bus-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate future-bus 0.2.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate future-bus 0.2.1 [INFO] finished tweaking crates.io crate future-bus 0.2.1 [INFO] tweaked toml for crates.io crate future-bus 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate future-bus 0.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding parking_lot v0.9.0 (available: v0.12.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c1db0730c2ce66c6a1e609fc9c61e5f3aee78e523abdcb351972cff6bbbccba [INFO] running `Command { std: "docker" "start" "-a" "8c1db0730c2ce66c6a1e609fc9c61e5f3aee78e523abdcb351972cff6bbbccba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c1db0730c2ce66c6a1e609fc9c61e5f3aee78e523abdcb351972cff6bbbccba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c1db0730c2ce66c6a1e609fc9c61e5f3aee78e523abdcb351972cff6bbbccba", kill_on_drop: false }` [INFO] [stdout] 8c1db0730c2ce66c6a1e609fc9c61e5f3aee78e523abdcb351972cff6bbbccba [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2251da4c19010aae244c485318bbb066e55b4fd6398fca0234f5b70d96cdc8af [INFO] running `Command { std: "docker" "start" "-a" "2251da4c19010aae244c485318bbb066e55b4fd6398fca0234f5b70d96cdc8af", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling future-bus v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/lib.rs:188:24 [INFO] [stdout] | [INFO] [stdout] 188 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 188 - .collect::>()?; [INFO] [stdout] 188 + .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: future-bus v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "2251da4c19010aae244c485318bbb066e55b4fd6398fca0234f5b70d96cdc8af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2251da4c19010aae244c485318bbb066e55b4fd6398fca0234f5b70d96cdc8af", kill_on_drop: false }` [INFO] [stdout] 2251da4c19010aae244c485318bbb066e55b4fd6398fca0234f5b70d96cdc8af [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2e3a8586500f276927fc2848db5131d379578921426104221b8521b501fbf81 [INFO] running `Command { std: "docker" "start" "-a" "c2e3a8586500f276927fc2848db5131d379578921426104221b8521b501fbf81", kill_on_drop: false }` [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/lib.rs:188:24 [INFO] [stdout] | [INFO] [stdout] 188 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 188 - .collect::>()?; [INFO] [stdout] 188 + .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling future-bus v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/lib.rs:188:24 [INFO] [stdout] | [INFO] [stdout] 188 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 188 - .collect::>()?; [INFO] [stdout] 188 + .collect::>()?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.73s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: future-bus v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "c2e3a8586500f276927fc2848db5131d379578921426104221b8521b501fbf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2e3a8586500f276927fc2848db5131d379578921426104221b8521b501fbf81", kill_on_drop: false }` [INFO] [stdout] c2e3a8586500f276927fc2848db5131d379578921426104221b8521b501fbf81 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9b4b67e8bb7acda3ec25683c6f97e02269cf6c890f8101b8958d3252e51036fa [INFO] running `Command { std: "docker" "start" "-a" "9b4b67e8bb7acda3ec25683c6f97e02269cf6c890f8101b8958d3252e51036fa", kill_on_drop: false }` [INFO] [stderr] warning: this function depends on never type fallback being `()` [INFO] [stderr] --> src/lib.rs:181:5 [INFO] [stderr] | [INFO] [stderr] 181 | fn start_send(self: Pin<&mut Self>, item: T) -> Result<(), Self::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = help: specify the types explicitly [INFO] [stderr] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stderr] --> src/lib.rs:188:24 [INFO] [stderr] | [INFO] [stderr] 188 | .collect::>()?; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] help: use `()` annotations to avoid fallback changes [INFO] [stderr] | [INFO] [stderr] 188 - .collect::>()?; [INFO] [stderr] 188 + .collect::>()?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `future-bus` (lib) generated 1 warning (run `cargo fix --lib -p future-bus` to apply 1 suggestion) [INFO] [stderr] warning: `future-bus` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: future-bus v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/future_bus-cb70cd5d88ed0e3c) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_bus_subscriber_fused_stream ... ok [INFO] [stdout] test tests::test_subscribe ... ok [INFO] [stdout] test tests::test_drop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests future_bus [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9b4b67e8bb7acda3ec25683c6f97e02269cf6c890f8101b8958d3252e51036fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b4b67e8bb7acda3ec25683c6f97e02269cf6c890f8101b8958d3252e51036fa", kill_on_drop: false }` [INFO] [stdout] 9b4b67e8bb7acda3ec25683c6f97e02269cf6c890f8101b8958d3252e51036fa