[INFO] fetching crate bus_writer 0.1.2... [INFO] testing bus_writer-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate bus_writer 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate bus_writer 0.1.2 [INFO] finished tweaking crates.io crate bus_writer 0.1.2 [INFO] tweaked toml for crates.io crate bus_writer 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bus_writer 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding crossbeam v0.3.2 (available: v0.8.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d2e800c314b8e59ec4775dccf9f5a8a5d8ee78c242e4cf22cd70226fb6118c7 [INFO] running `Command { std: "docker" "start" "-a" "4d2e800c314b8e59ec4775dccf9f5a8a5d8ee78c242e4cf22cd70226fb6118c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d2e800c314b8e59ec4775dccf9f5a8a5d8ee78c242e4cf22cd70226fb6118c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d2e800c314b8e59ec4775dccf9f5a8a5d8ee78c242e4cf22cd70226fb6118c7", kill_on_drop: false }` [INFO] [stdout] 4d2e800c314b8e59ec4775dccf9f5a8a5d8ee78c242e4cf22cd70226fb6118c7 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de00e873a1c87ecb4630c60c9e8be933071a93f6c04bcef1e236b7add59facfa [INFO] running `Command { std: "docker" "start" "-a" "de00e873a1c87ecb4630c60c9e8be933071a93f6c04bcef1e236b7add59facfa", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling bus v2.4.1 [INFO] [stderr] Compiling bus_writer v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/writer.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verifier.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "de00e873a1c87ecb4630c60c9e8be933071a93f6c04bcef1e236b7add59facfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de00e873a1c87ecb4630c60c9e8be933071a93f6c04bcef1e236b7add59facfa", kill_on_drop: false }` [INFO] [stdout] de00e873a1c87ecb4630c60c9e8be933071a93f6c04bcef1e236b7add59facfa [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27fc469e7a9a2a80fae004e2b403455a43e1b1b073c070f00eead85e8f4d7250 [INFO] running `Command { std: "docker" "start" "-a" "27fc469e7a9a2a80fae004e2b403455a43e1b1b073c070f00eead85e8f4d7250", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling bus_writer v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/writer.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verifier.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/writer.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verifier.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> examples/simple.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{BufReader, Cursor, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> examples/simple.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::{self, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> examples/simple.rs:4:34 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{BufReader, Cursor, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> examples/simple.rs:9:48 [INFO] [stdout] | [INFO] [stdout] 9 | let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stdout] 9 + let data: Vec = [0u8; 1024 * 1024 * 5].iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stdout] 9 + let data: Vec = IntoIterator::into_iter([0u8; 1024 * 1024 * 5]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> examples/simple.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stdout] 10 + .zip([1u8; 1024 * 1024 * 5].iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stdout] 10 + .zip(IntoIterator::into_iter([1u8; 1024 * 1024 * 5])) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/writer.rs:9:48 [INFO] [stdout] | [INFO] [stdout] 9 | let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stdout] 9 + let data: Vec = [0u8; 1024 * 1024 * 5].iter() [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stdout] 9 + let data: Vec = IntoIterator::into_iter([0u8; 1024 * 1024 * 5]) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> tests/writer.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stdout] 10 + .zip([1u8; 1024 * 1024 * 5].iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stdout] 10 + .zip(IntoIterator::into_iter([1u8; 1024 * 1024 * 5])) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.92s [INFO] running `Command { std: "docker" "inspect" "27fc469e7a9a2a80fae004e2b403455a43e1b1b073c070f00eead85e8f4d7250", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fc469e7a9a2a80fae004e2b403455a43e1b1b073c070f00eead85e8f4d7250", kill_on_drop: false }` [INFO] [stdout] 27fc469e7a9a2a80fae004e2b403455a43e1b1b073c070f00eead85e8f4d7250 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4be6af2198a6afac754525f1da8795fc2e442069e83d4837e1638a4ff1e0b2a1 [INFO] running `Command { std: "docker" "start" "-a" "4be6af2198a6afac754525f1da8795fc2e442069e83d4837e1638a4ff1e0b2a1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/writer.rs:100:22 [INFO] [stderr] | [INFO] [stderr] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/verifier.rs:100:22 [INFO] [stderr] | [INFO] [stderr] 100 | for (id, mut device) in destinations.into_iter().enumerate() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `bus_writer` (lib) generated 2 warnings (run `cargo fix --lib -p bus_writer` to apply 2 suggestions) [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> tests/writer.rs:9:48 [INFO] [stderr] | [INFO] [stderr] 9 | let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stderr] 9 + let data: Vec = [0u8; 1024 * 1024 * 5].iter() [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stderr] 9 + let data: Vec = IntoIterator::into_iter([0u8; 1024 * 1024 * 5]) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> tests/writer.rs:10:37 [INFO] [stderr] | [INFO] [stderr] 10 | .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stderr] 10 + .zip([1u8; 1024 * 1024 * 5].iter()) [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stderr] 10 + .zip(IntoIterator::into_iter([1u8; 1024 * 1024 * 5])) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `BufReader` [INFO] [stderr] --> examples/simple.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{BufReader, Cursor, Read}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> examples/simple.rs:5:21 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs::{self, File}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> examples/simple.rs:4:34 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{BufReader, Cursor, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> examples/simple.rs:9:48 [INFO] [stderr] | [INFO] [stderr] 9 | let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stderr] 9 + let data: Vec = [0u8; 1024 * 1024 * 5].iter() [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 9 - let data: Vec = [0u8; 1024 * 1024 * 5].into_iter() [INFO] [stderr] 9 + let data: Vec = IntoIterator::into_iter([0u8; 1024 * 1024 * 5]) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> examples/simple.rs:10:37 [INFO] [stderr] | [INFO] [stderr] 10 | .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stderr] 10 + .zip([1u8; 1024 * 1024 * 5].iter()) [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 10 - .zip([1u8; 1024 * 1024 * 5].into_iter()) [INFO] [stderr] 10 + .zip(IntoIterator::into_iter([1u8; 1024 * 1024 * 5])) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `bus_writer` (test "writer") generated 2 warnings (run `cargo fix --test "writer" -p bus_writer` to apply 2 suggestions) [INFO] [stderr] warning: `bus_writer` (example "simple") generated 5 warnings (run `cargo fix --example "simple" -p bus_writer` to apply 4 suggestions) [INFO] [stderr] warning: `bus_writer` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bus_writer-7e6b92dbf4995835) [INFO] [stdout] [INFO] [stderr] Running tests/writer.rs (/opt/rustwide/target/debug/deps/writer-ba298c0f66c3a41d) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test eight_local_files ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s [INFO] [stdout] [INFO] [stderr] Doc-tests bus_writer [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" "4be6af2198a6afac754525f1da8795fc2e442069e83d4837e1638a4ff1e0b2a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4be6af2198a6afac754525f1da8795fc2e442069e83d4837e1638a4ff1e0b2a1", kill_on_drop: false }` [INFO] [stdout] 4be6af2198a6afac754525f1da8795fc2e442069e83d4837e1638a4ff1e0b2a1