[INFO] cloning repository https://github.com/jbg/macbookfan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbg/macbookfan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fmacbookfan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fmacbookfan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 283b884de1d772f7b2ab39fe548b43f129a67b10
[INFO] testing jbg/macbookfan against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fmacbookfan" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbg/macbookfan on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbg/macbookfan
[INFO] finished tweaking git repo https://github.com/jbg/macbookfan
[INFO] tweaked toml for git repo https://github.com/jbg/macbookfan written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jbg/macbookfan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9350c472a24db80b91858e91840224f77adbc43d9f33ed26f777c7576cbefb5c
[INFO] running `Command { std: "docker" "start" "-a" "9350c472a24db80b91858e91840224f77adbc43d9f33ed26f777c7576cbefb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9350c472a24db80b91858e91840224f77adbc43d9f33ed26f777c7576cbefb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9350c472a24db80b91858e91840224f77adbc43d9f33ed26f777c7576cbefb5c", kill_on_drop: false }`
[INFO] [stdout] 9350c472a24db80b91858e91840224f77adbc43d9f33ed26f777c7576cbefb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe8049ac12e4136c117a65b2bec50f42bd7307381e8ee6848faa70b078b800e
[INFO] running `Command { std: "docker" "start" "-a" "1fe8049ac12e4136c117a65b2bec50f42bd7307381e8ee6848faa70b078b800e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling pid_control v0.7.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling macbookfan v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]   --> src/main.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut fans: Vec<Fan> = FANS.into_iter().map(|id| {
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut fans: Vec<Fan> = FANS.iter().map(|id| {
[INFO] [stdout]    |                                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut fans: Vec<Fan> = IntoIterator::into_iter(FANS).map(|id| {
[INFO] [stdout]    |                              ++++++++++++++++++++++++    ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.81s
[INFO] running `Command { std: "docker" "inspect" "1fe8049ac12e4136c117a65b2bec50f42bd7307381e8ee6848faa70b078b800e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe8049ac12e4136c117a65b2bec50f42bd7307381e8ee6848faa70b078b800e", kill_on_drop: false }`
[INFO] [stdout] 1fe8049ac12e4136c117a65b2bec50f42bd7307381e8ee6848faa70b078b800e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22adf164bf478b3d1660d6f342b9a8154c6a4f8230ce47f2b97be82c82e4e537
[INFO] running `Command { std: "docker" "start" "-a" "22adf164bf478b3d1660d6f342b9a8154c6a4f8230ce47f2b97be82c82e4e537", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling macbookfan v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stdout] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stdout] 46 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |     };
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]   --> src/main.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut fans: Vec<Fan> = FANS.into_iter().map(|id| {
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut fans: Vec<Fan> = FANS.iter().map(|id| {
[INFO] [stdout]    |                                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut fans: Vec<Fan> = IntoIterator::into_iter(FANS).map(|id| {
[INFO] [stdout]    |                              ++++++++++++++++++++++++    ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "22adf164bf478b3d1660d6f342b9a8154c6a4f8230ce47f2b97be82c82e4e537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22adf164bf478b3d1660d6f342b9a8154c6a4f8230ce47f2b97be82c82e4e537", kill_on_drop: false }`
[INFO] [stdout] 22adf164bf478b3d1660d6f342b9a8154c6a4f8230ce47f2b97be82c82e4e537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b40551f42faa95d38e73655978cf5106f9871b6cb284535ece0dd89873eb961
[INFO] running `Command { std: "docker" "start" "-a" "4b40551f42faa95d38e73655978cf5106f9871b6cb284535ece0dd89873eb961", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | / lazy_static! {
[INFO] [stderr] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stderr] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stderr] 46 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     };
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | / lazy_static! {
[INFO] [stderr] 44 | |     static ref SMC_SYSFS_DIRECTORY: PathBuf = {
[INFO] [stderr] 45 | |         Path::new("/sys/devices/platform").join(APPLE_SMC)
[INFO] [stderr] 46 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     };
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]   --> src/main.rs:83:35
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut fans: Vec<Fan> = FANS.into_iter().map(|id| {
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut fans: Vec<Fan> = FANS.iter().map(|id| {
[INFO] [stderr]    |                                   ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let mut fans: Vec<Fan> = IntoIterator::into_iter(FANS).map(|id| {
[INFO] [stderr]    |                              ++++++++++++++++++++++++    ~
[INFO] [stderr] 
[INFO] [stderr] warning: `macbookfan` (bin "macbookfan" test) generated 5 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/macbookfan-09ee9abe7bf56f2e)
[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" "4b40551f42faa95d38e73655978cf5106f9871b6cb284535ece0dd89873eb961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b40551f42faa95d38e73655978cf5106f9871b6cb284535ece0dd89873eb961", kill_on_drop: false }`
[INFO] [stdout] 4b40551f42faa95d38e73655978cf5106f9871b6cb284535ece0dd89873eb961