[INFO] fetching crate bus_writer 0.1.2...
[INFO] testing bus_writer-0.1.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate bus_writer 0.1.2 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate bus_writer 0.1.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 163c7aab50f482583684ab8a3f630884cd74f291f87d8df4f707a54b0fc719c1
[INFO] running `Command { std: "docker" "start" "-a" "163c7aab50f482583684ab8a3f630884cd74f291f87d8df4f707a54b0fc719c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163c7aab50f482583684ab8a3f630884cd74f291f87d8df4f707a54b0fc719c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163c7aab50f482583684ab8a3f630884cd74f291f87d8df4f707a54b0fc719c1", kill_on_drop: false }`
[INFO] [stdout] 163c7aab50f482583684ab8a3f630884cd74f291f87d8df4f707a54b0fc719c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b15370e879f247cd61dd63173afd21b9ba3fe8874f71b5d0bd9a3eec9368863f
[INFO] running `Command { std: "docker" "start" "-a" "b15370e879f247cd61dd63173afd21b9ba3fe8874f71b5d0bd9a3eec9368863f", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling bus v2.2.3
[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)]` 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "b15370e879f247cd61dd63173afd21b9ba3fe8874f71b5d0bd9a3eec9368863f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15370e879f247cd61dd63173afd21b9ba3fe8874f71b5d0bd9a3eec9368863f", kill_on_drop: false }`
[INFO] [stdout] b15370e879f247cd61dd63173afd21b9ba3fe8874f71b5d0bd9a3eec9368863f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c5d0c1e387b80968fe70b45cfba056973cfb05bdfdb963e6547cea8a21d8d46
[INFO] running `Command { std: "docker" "start" "-a" "0c5d0c1e387b80968fe70b45cfba056973cfb05bdfdb963e6547cea8a21d8d46", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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)]` 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bus_writer v0.1.2 (/opt/rustwide/workdir)
[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)]` 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: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]  --> tests/writer.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let data: Vec<u8> = [0u8; 1024 * 1024 * 5].into_iter()
[INFO] [stdout]   |                                                ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` 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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> tests/writer.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .zip([1u8; 1024 * 1024 * 5].into_iter())
[INFO] [stdout]    |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]  --> examples/simple.rs:9:48
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let data: Vec<u8> = [0u8; 1024 * 1024 * 5].into_iter()
[INFO] [stdout]   |                                                ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` 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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> examples/simple.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .zip([1u8; 1024 * 1024 * 5].into_iter())
[INFO] [stdout]    |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "0c5d0c1e387b80968fe70b45cfba056973cfb05bdfdb963e6547cea8a21d8d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5d0c1e387b80968fe70b45cfba056973cfb05bdfdb963e6547cea8a21d8d46", kill_on_drop: false }`
[INFO] [stdout] 0c5d0c1e387b80968fe70b45cfba056973cfb05bdfdb963e6547cea8a21d8d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e0e0c3509497d3f62abccc254cdd0e174e1b4145ea00616bc55c58492d82af8
[INFO] running `Command { std: "docker" "start" "-a" "7e0e0c3509497d3f62abccc254cdd0e174e1b4145ea00616bc55c58492d82af8", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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)]` 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: 2 warnings emitted
[INFO] [stderr] 
[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)]` 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]  --> tests/writer.rs:9:48
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let data: Vec<u8> = [0u8; 1024 * 1024 * 5].into_iter()
[INFO] [stderr]   |                                                ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(array_into_iter)]` 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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/writer.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |         .zip([1u8; 1024 * 1024 * 5].into_iter())
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[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)]` 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 currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]  --> examples/simple.rs:9:48
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let data: Vec<u8> = [0u8; 1024 * 1024 * 5].into_iter()
[INFO] [stderr]   |                                                ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(array_into_iter)]` 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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> examples/simple.rs:10:37
[INFO] [stderr]    |
[INFO] [stderr] 10 |         .zip([1u8; 1024 * 1024 * 5].into_iter())
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bus_writer-819436f2d2423121)
[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 tests/writer.rs (/opt/rustwide/target/debug/deps/writer-fef275aa950f88d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests bus_writer
[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 3.41s
[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" "7e0e0c3509497d3f62abccc254cdd0e174e1b4145ea00616bc55c58492d82af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0e0c3509497d3f62abccc254cdd0e174e1b4145ea00616bc55c58492d82af8", kill_on_drop: false }`
[INFO] [stdout] 7e0e0c3509497d3f62abccc254cdd0e174e1b4145ea00616bc55c58492d82af8
