[INFO] fetching crate mapreduce 0.1.0... [INFO] testing mapreduce-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate mapreduce 0.1.0 into /workspace/builds/worker-106/source [INFO] validating manifest of crates.io crate mapreduce 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-106/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ea318a8f86e157a14d2a71243c3a28383844412434e0baaee31f4936207dd9b [INFO] running `Command { std: "docker" "start" "-a" "7ea318a8f86e157a14d2a71243c3a28383844412434e0baaee31f4936207dd9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ea318a8f86e157a14d2a71243c3a28383844412434e0baaee31f4936207dd9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ea318a8f86e157a14d2a71243c3a28383844412434e0baaee31f4936207dd9b", kill_on_drop: false }` [INFO] [stdout] 7ea318a8f86e157a14d2a71243c3a28383844412434e0baaee31f4936207dd9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbc8353bc0622d865b56a2c9c118851fa9d3b3858517c398fd521dcddd6b0758 [INFO] running `Command { std: "docker" "start" "-a" "fbc8353bc0622d865b56a2c9c118851fa9d3b3858517c398fd521dcddd6b0758", 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] = note: `#[warn(bare_trait_objects)]` on by default [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - pub type MapFunc = fn(item: T, writer: Writer); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `MapReduceOption` in public interface (error E0446) [INFO] [stdout] --> src/mapreduce.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `worker` [INFO] [stdout] --> src/mapreduce.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | worker: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/mapreduce.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drain` [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.72s [INFO] running `Command { std: "docker" "inspect" "fbc8353bc0622d865b56a2c9c118851fa9d3b3858517c398fd521dcddd6b0758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbc8353bc0622d865b56a2c9c118851fa9d3b3858517c398fd521dcddd6b0758", kill_on_drop: false }` [INFO] [stdout] fbc8353bc0622d865b56a2c9c118851fa9d3b3858517c398fd521dcddd6b0758 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1066057c9aca439b8210bb97e861b88f45a7b669e05e1a602ed9ab2f3086ff4 [INFO] running `Command { std: "docker" "start" "-a" "a1066057c9aca439b8210bb97e861b88f45a7b669e05e1a602ed9ab2f3086ff4", 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] = note: `#[warn(bare_trait_objects)]` on by default [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - pub type MapFunc = fn(item: T, writer: Writer); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `MapReduceOption` in public interface (error E0446) [INFO] [stdout] --> src/mapreduce.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `worker` [INFO] [stdout] --> src/mapreduce.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | worker: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/mapreduce.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drain` [INFO] [stdout] --> src/mapreduce.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn drain(ch:Receiver){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mapreduce v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 7 warnings emitted [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] = note: `#[warn(bare_trait_objects)]` on by default [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - pub type MapFunc = fn(item: T, writer: Writer); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [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: use `dyn` [INFO] [stdout] | [INFO] [stdout] 14 - pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: private type `MapReduceOption` in public interface (error E0446) [INFO] [stdout] --> src/mapreduce.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(private_in_public)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #34537 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `worker` [INFO] [stdout] --> src/mapreduce.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | worker: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/mapreduce.rs:22:10 [INFO] [stdout] | [INFO] [stdout] 22 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drain` [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapreduce-e103404faba1c763) [INFO] running `Command { std: "docker" "inspect" "a1066057c9aca439b8210bb97e861b88f45a7b669e05e1a602ed9ab2f3086ff4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1066057c9aca439b8210bb97e861b88f45a7b669e05e1a602ed9ab2f3086ff4", kill_on_drop: false }` [INFO] [stdout] a1066057c9aca439b8210bb97e861b88f45a7b669e05e1a602ed9ab2f3086ff4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 515699a1ba396aca6ab4216578b05192c21e5f7c969728a880b03c9386bd9b5d [INFO] running `Command { std: "docker" "start" "-a" "515699a1ba396aca6ab4216578b05192c21e5f7c969728a880b03c9386bd9b5d", 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] = note: `#[warn(bare_trait_objects)]` on by default [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 11 - pub type MapFunc = fn(item: T, writer: Writer); [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 13 - pub type MapperFunc = fn(item: T, writer: Writer, cancel: fn(Error)); [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: use `dyn` [INFO] [stderr] | [INFO] [stderr] 14 - pub type ReducerFunc = fn(pipe: Sender, writer: Writer, cancel: fn(Error)); [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)]` on by default [INFO] [stderr] [INFO] [stderr] warning: private type `MapReduceOption` in public interface (error E0446) [INFO] [stderr] --> src/mapreduce.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | pub type Option = fn(opts: &mut MapReduceOption); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: field is never read: `worker` [INFO] [stderr] --> src/mapreduce.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | worker: i32 [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `MapReduceOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/mapreduce.rs:22:10 [INFO] [stderr] | [INFO] [stderr] 22 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `drain` [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 [INFO] [stderr] warning: `mapreduce` (lib test) generated 7 warnings (7 duplicates) [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.22s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mapreduce-e103404faba1c763) [INFO] [stdout] [INFO] [stderr] Doc-tests mapreduce [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "515699a1ba396aca6ab4216578b05192c21e5f7c969728a880b03c9386bd9b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "515699a1ba396aca6ab4216578b05192c21e5f7c969728a880b03c9386bd9b5d", kill_on_drop: false }` [INFO] [stdout] 515699a1ba396aca6ab4216578b05192c21e5f7c969728a880b03c9386bd9b5d