[INFO] fetching crate mapreduce 0.1.0... [INFO] testing mapreduce-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mapreduce 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate mapreduce 0.1.0 [INFO] finished tweaking crates.io crate mapreduce 0.1.0 [INFO] tweaked toml for crates.io crate mapreduce 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mapreduce 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 291748ff2dd5fba46cc4221216e27b2aeb08000f5cb032b35b9b7daf69135bae [INFO] running `Command { std: "docker" "start" "-a" "291748ff2dd5fba46cc4221216e27b2aeb08000f5cb032b35b9b7daf69135bae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "291748ff2dd5fba46cc4221216e27b2aeb08000f5cb032b35b9b7daf69135bae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "291748ff2dd5fba46cc4221216e27b2aeb08000f5cb032b35b9b7daf69135bae", kill_on_drop: false }` [INFO] [stdout] 291748ff2dd5fba46cc4221216e27b2aeb08000f5cb032b35b9b7daf69135bae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc58c377a0fad2f90de5a93f11c3680fcedf375e6ea0383b4d61ee29ea73ba8a [INFO] running `Command { std: "docker" "start" "-a" "fc58c377a0fad2f90de5a93f11c3680fcedf375e6ea0383b4d61ee29ea73ba8a", kill_on_drop: false }` [INFO] [stderr] Compiling mapreduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:11:43 [INFO] [stdout] | [INFO] [stdout] 11 | pub type MapFunc = fn(item: T, writer: Writer); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | pub type MapFunc = fn(item: T, writer: dyn Writer); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:13:46 [INFO] [stdout] | [INFO] [stdout] 13 | pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | pub type MapperFunc = fn(item: T, writer: dyn Writer, cancel: fn(Error)); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:14:55 [INFO] [stdout] | [INFO] [stdout] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: dyn Writer, cancel: fn(Error)); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/mapreduce.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `MapReduceOption` is more private than the item `mapreduce::Option` [INFO] [stdout] --> src/mapreduce.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stdout] | ^^^^^^^^^^^^^^^ type alias `mapreduce::Option` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `MapReduceOption` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/mapreduce.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | struct MapReduceOption { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `worker` is never read [INFO] [stdout] --> src/mapreduce.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct MapReduceOption { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 24 | worker: i32 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `drain` is never used [INFO] [stdout] --> src/mapreduce.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "fc58c377a0fad2f90de5a93f11c3680fcedf375e6ea0383b4d61ee29ea73ba8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc58c377a0fad2f90de5a93f11c3680fcedf375e6ea0383b4d61ee29ea73ba8a", kill_on_drop: false }` [INFO] [stdout] fc58c377a0fad2f90de5a93f11c3680fcedf375e6ea0383b4d61ee29ea73ba8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c2cb57435d1995439663da81acf240d39df7ae33de7a8f7fb216449dbfb1aa1 [INFO] running `Command { std: "docker" "start" "-a" "2c2cb57435d1995439663da81acf240d39df7ae33de7a8f7fb216449dbfb1aa1", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:11:43 [INFO] [stdout] | [INFO] [stdout] 11 | pub type MapFunc = fn(item: T, writer: Writer); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | pub type MapFunc = fn(item: T, writer: dyn Writer); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:13:46 [INFO] [stdout] | [INFO] [stdout] 13 | pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | pub type MapperFunc = fn(item: T, writer: dyn Writer, cancel: fn(Error)); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:14:55 [INFO] [stdout] | [INFO] [stdout] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: dyn Writer, cancel: fn(Error)); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/mapreduce.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mapreduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `MapReduceOption` is more private than the item `mapreduce::Option` [INFO] [stdout] --> src/mapreduce.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stdout] | ^^^^^^^^^^^^^^^ type alias `mapreduce::Option` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `MapReduceOption` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/mapreduce.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | struct MapReduceOption { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `worker` is never read [INFO] [stdout] --> src/mapreduce.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct MapReduceOption { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 24 | worker: i32 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `drain` is never used [INFO] [stdout] --> src/mapreduce.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:11:43 [INFO] [stdout] | [INFO] [stdout] 11 | pub type MapFunc = fn(item: T, writer: Writer); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 | pub type MapFunc = fn(item: T, writer: dyn Writer); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:13:46 [INFO] [stdout] | [INFO] [stdout] 13 | pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | pub type MapperFunc = fn(item: T, writer: dyn Writer, cancel: fn(Error)); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mapreduce.rs:14:55 [INFO] [stdout] | [INFO] [stdout] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: dyn Writer, cancel: fn(Error)); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> src/mapreduce.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `MapReduceOption` is more private than the item `mapreduce::Option` [INFO] [stdout] --> src/mapreduce.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stdout] | ^^^^^^^^^^^^^^^ type alias `mapreduce::Option` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `MapReduceOption` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/mapreduce.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | struct MapReduceOption { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `worker` is never read [INFO] [stdout] --> src/mapreduce.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct MapReduceOption { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 24 | worker: i32 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `drain` is never used [INFO] [stdout] --> src/mapreduce.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "2c2cb57435d1995439663da81acf240d39df7ae33de7a8f7fb216449dbfb1aa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c2cb57435d1995439663da81acf240d39df7ae33de7a8f7fb216449dbfb1aa1", kill_on_drop: false }` [INFO] [stdout] 2c2cb57435d1995439663da81acf240d39df7ae33de7a8f7fb216449dbfb1aa1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1dde99029004a8c0c03eb43b36d55119dd3d1c723148f5b4fd71dc4fff9660a6 [INFO] running `Command { std: "docker" "start" "-a" "1dde99029004a8c0c03eb43b36d55119dd3d1c723148f5b4fd71dc4fff9660a6", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mapreduce.rs:11:43 [INFO] [stderr] | [INFO] [stderr] 11 | pub type MapFunc = fn(item: T, writer: Writer); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 11 | pub type MapFunc = fn(item: T, writer: dyn Writer); [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mapreduce.rs:13:46 [INFO] [stderr] | [INFO] [stderr] 13 | pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 13 | pub type MapperFunc = fn(item: T, writer: dyn Writer, cancel: fn(Error)); [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mapreduce.rs:14:55 [INFO] [stderr] | [INFO] [stderr] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 14 | pub type ReducerFunc = fn(pipe: Sender, writer: dyn Writer, cancel: fn(Error)); [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> src/mapreduce.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | fn drain(ch:Receiver){ [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `MapReduceOption` is more private than the item `mapreduce::Option` [INFO] [stderr] --> src/mapreduce.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stderr] | ^^^^^^^^^^^^^^^ type alias `mapreduce::Option` is reachable at visibility `pub` [INFO] [stderr] | [INFO] [stderr] note: but type `MapReduceOption` is only usable at visibility `pub(self)` [INFO] [stderr] --> src/mapreduce.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | struct MapReduceOption { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `worker` is never read [INFO] [stderr] --> src/mapreduce.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 23 | struct MapReduceOption { [INFO] [stderr] | --------------- field in this struct [INFO] [stderr] 24 | worker: i32 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `drain` is never used [INFO] [stderr] --> src/mapreduce.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn drain(ch:Receiver){ [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `mapreduce` (lib) generated 7 warnings (run `cargo fix --lib -p mapreduce` to apply 3 suggestions) [INFO] [stderr] warning: `mapreduce` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [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] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapreduce-4d160cd31f66f053) [INFO] [stderr] Doc-tests mapreduce [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" "1dde99029004a8c0c03eb43b36d55119dd3d1c723148f5b4fd71dc4fff9660a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dde99029004a8c0c03eb43b36d55119dd3d1c723148f5b4fd71dc4fff9660a6", kill_on_drop: false }` [INFO] [stdout] 1dde99029004a8c0c03eb43b36d55119dd3d1c723148f5b4fd71dc4fff9660a6