[INFO] cloning repository https://github.com/timothyb89/metriful
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timothyb89/metriful" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimothyb89%2Fmetriful", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimothyb89%2Fmetriful'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e99170f4e0ef1fc5bcdcf41ce22d142f1c64d6d0
[INFO] testing timothyb89/metriful against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimothyb89%2Fmetriful" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timothyb89/metriful
[INFO] finished tweaking git repo https://github.com/timothyb89/metriful
[INFO] tweaked toml for git repo https://github.com/timothyb89/metriful written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timothyb89/metriful on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timothyb89/metriful already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/timothyb89/simple-prometheus-exporter-rs`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4685a2ab249c084a467e60c79af3c321abc16c23726edf5d70680ea22cb00ee2
[INFO] running `Command { std: "docker" "start" "-a" "4685a2ab249c084a467e60c79af3c321abc16c23726edf5d70680ea22cb00ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4685a2ab249c084a467e60c79af3c321abc16c23726edf5d70680ea22cb00ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4685a2ab249c084a467e60c79af3c321abc16c23726edf5d70680ea22cb00ee2", kill_on_drop: false }`
[INFO] [stdout] 4685a2ab249c084a467e60c79af3c321abc16c23726edf5d70680ea22cb00ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f380aedf73994027c2ea12d78ecec68c18597733d6cab0e3e414f28b8f4371
[INFO] running `Command { std: "docker" "start" "-a" "79f380aedf73994027c2ea12d78ecec68c18597733d6cab0e3e414f28b8f4371", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling metriful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UnitSymbol` is never constructed
[INFO] [stdout]   --> src/unit.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct UnitSymbol(Option<&'static str>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 648 |   ) -> MetricReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 648 |   ) -> MetricReadIterator<'a, U>
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:698:8
[INFO] [stdout]     |
[INFO] [stdout] 695 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 698 |   ) -> MetricReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 698 |   ) -> MetricReadIterator<'a, U>
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:749:8
[INFO] [stdout]     |
[INFO] [stdout] 745 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 749 |   ) -> CycleReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 749 |   ) -> CycleReadIterator<'a, U>
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Error` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `From` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_LinuxI2CError_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout] 8 |   #[error(display = "i2c error: {:?}", _0)]
[INFO] [stdout] 9 |   I2CError(#[error(source)] LinuxI2CError),
[INFO] [stdout]   |                             ------------- `LinuxI2CError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:6:17
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Error)]
[INFO] [stdout]    |                 ^----
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `From` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_sysfs_gpio_Error_FOR_MetrifulError`
[INFO] [stdout]  7 | pub enum MetrifulError {
[INFO] [stdout]    |          ------------- `MetrifulError` is not local
[INFO] [stdout] ...
[INFO] [stdout] 12 |   GPIOError(#[error(source)] sysfs_gpio::Error),
[INFO] [stdout]    |                              ----------------- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "79f380aedf73994027c2ea12d78ecec68c18597733d6cab0e3e414f28b8f4371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f380aedf73994027c2ea12d78ecec68c18597733d6cab0e3e414f28b8f4371", kill_on_drop: false }`
[INFO] [stdout] 79f380aedf73994027c2ea12d78ecec68c18597733d6cab0e3e414f28b8f4371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dabc4835af76db2ce7934d0f24f5e51b634b5e0b2773148ed6644e9499796351
[INFO] running `Command { std: "docker" "start" "-a" "dabc4835af76db2ce7934d0f24f5e51b634b5e0b2773148ed6644e9499796351", kill_on_drop: false }`
[INFO] [stdout] warning: struct `UnitSymbol` is never constructed
[INFO] [stdout]   --> src/unit.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct UnitSymbol(Option<&'static str>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 648 |   ) -> MetricReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 648 |   ) -> MetricReadIterator<'a, U>
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:698:8
[INFO] [stdout]     |
[INFO] [stdout] 695 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 698 |   ) -> MetricReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 698 |   ) -> MetricReadIterator<'a, U>
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:749:8
[INFO] [stdout]     |
[INFO] [stdout] 745 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 749 |   ) -> CycleReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 749 |   ) -> CycleReadIterator<'a, U>
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metriful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Error` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `From` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_LinuxI2CError_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout] 8 |   #[error(display = "i2c error: {:?}", _0)]
[INFO] [stdout] 9 |   I2CError(#[error(source)] LinuxI2CError),
[INFO] [stdout]   |                             ------------- `LinuxI2CError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:6:17
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Error)]
[INFO] [stdout]    |                 ^----
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `From` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_sysfs_gpio_Error_FOR_MetrifulError`
[INFO] [stdout]  7 | pub enum MetrifulError {
[INFO] [stdout]    |          ------------- `MetrifulError` is not local
[INFO] [stdout] ...
[INFO] [stdout] 12 |   GPIOError(#[error(source)] sysfs_gpio::Error),
[INFO] [stdout]    |                              ----------------- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnitSymbol` is never constructed
[INFO] [stdout]   --> src/unit.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct UnitSymbol(Option<&'static str>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:648:8
[INFO] [stdout]     |
[INFO] [stdout] 644 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 648 |   ) -> MetricReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 648 |   ) -> MetricReadIterator<'a, U>
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:698:8
[INFO] [stdout]     |
[INFO] [stdout] 695 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 698 |   ) -> MetricReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 698 |   ) -> MetricReadIterator<'a, U>
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:749:8
[INFO] [stdout]     |
[INFO] [stdout] 745 |     &'a mut self,
[INFO] [stdout]     |      -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 749 |   ) -> CycleReadIterator<U>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 749 |   ) -> CycleReadIterator<'a, U>
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Error` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Error)]
[INFO] [stdout]   |                 ^----
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `From` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_LinuxI2CError_FOR_MetrifulError`
[INFO] [stdout] 7 | pub enum MetrifulError {
[INFO] [stdout]   |          ------------- `MetrifulError` is not local
[INFO] [stdout] 8 |   #[error(display = "i2c error: {:?}", _0)]
[INFO] [stdout] 9 |   I2CError(#[error(source)] LinuxI2CError),
[INFO] [stdout]   |                             ------------- `LinuxI2CError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/error.rs:6:17
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Error)]
[INFO] [stdout]    |                 ^----
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `From` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_sysfs_gpio_Error_FOR_MetrifulError`
[INFO] [stdout]  7 | pub enum MetrifulError {
[INFO] [stdout]    |          ------------- `MetrifulError` is not local
[INFO] [stdout] ...
[INFO] [stdout] 12 |   GPIOError(#[error(source)] sysfs_gpio::Error),
[INFO] [stdout]    |                              ----------------- `Error` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "dabc4835af76db2ce7934d0f24f5e51b634b5e0b2773148ed6644e9499796351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabc4835af76db2ce7934d0f24f5e51b634b5e0b2773148ed6644e9499796351", kill_on_drop: false }`
[INFO] [stdout] dabc4835af76db2ce7934d0f24f5e51b634b5e0b2773148ed6644e9499796351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b1d7954c10b23173fd0a5e632345ee89e5f39a4f144b5041733db25b5ecb398
[INFO] running `Command { std: "docker" "start" "-a" "4b1d7954c10b23173fd0a5e632345ee89e5f39a4f144b5041733db25b5ecb398", kill_on_drop: false }`
[INFO] [stderr] warning: struct `UnitSymbol` is never constructed
[INFO] [stderr]   --> src/unit.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | struct UnitSymbol(Option<&'static str>);
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:648:8
[INFO] [stderr]     |
[INFO] [stderr] 644 |     &'a mut self,
[INFO] [stderr]     |      -- the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 648 |   ) -> MetricReadIterator<U>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 648 |   ) -> MetricReadIterator<'a, U>
[INFO] [stderr]     |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:698:8
[INFO] [stderr]     |
[INFO] [stderr] 695 |     &'a mut self,
[INFO] [stderr]     |      -- the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 698 |   ) -> MetricReadIterator<U>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 698 |   ) -> MetricReadIterator<'a, U>
[INFO] [stderr]     |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:749:8
[INFO] [stderr]     |
[INFO] [stderr] 745 |     &'a mut self,
[INFO] [stderr]     |      -- the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 749 |   ) -> CycleReadIterator<U>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 749 |   ) -> CycleReadIterator<'a, U>
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/error.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Error)]
[INFO] [stderr]   |                 ^----
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 `Error` is not local
[INFO] [stderr]   |                 move the `impl` block outside of this constant `_DERIVE_std_error_Error_FOR_MetrifulError`
[INFO] [stderr] 7 | pub enum MetrifulError {
[INFO] [stderr]   |          ------------- `MetrifulError` is not local
[INFO] [stderr]   |
[INFO] [stderr]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stderr]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stderr]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/error.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Error)]
[INFO] [stderr]   |                 ^----
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 `Display` is not local
[INFO] [stderr]   |                 move the `impl` block outside of this constant `_DERIVE_core_fmt_Display_FOR_MetrifulError`
[INFO] [stderr] 7 | pub enum MetrifulError {
[INFO] [stderr]   |          ------------- `MetrifulError` is not local
[INFO] [stderr]   |
[INFO] [stderr]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stderr]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]  --> src/error.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Error)]
[INFO] [stderr]   |                 ^----
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 `From` is not local
[INFO] [stderr]   |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_LinuxI2CError_FOR_MetrifulError`
[INFO] [stderr] 7 | pub enum MetrifulError {
[INFO] [stderr]   |          ------------- `MetrifulError` is not local
[INFO] [stderr] 8 |   #[error(display = "i2c error: {:?}", _0)]
[INFO] [stderr] 9 |   I2CError(#[error(source)] LinuxI2CError),
[INFO] [stderr]   |                             ------------- `LinuxI2CError` is not local
[INFO] [stderr]   |
[INFO] [stderr]   = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]   = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stderr]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]   = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/error.rs:6:17
[INFO] [stderr]    |
[INFO] [stderr]  6 | #[derive(Debug, Error)]
[INFO] [stderr]    |                 ^----
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 `From` is not local
[INFO] [stderr]    |                 move the `impl` block outside of this constant `_DERIVE_core_convert_From_sysfs_gpio_Error_FOR_MetrifulError`
[INFO] [stderr]  7 | pub enum MetrifulError {
[INFO] [stderr]    |          ------------- `MetrifulError` is not local
[INFO] [stderr] ...
[INFO] [stderr] 12 |   GPIOError(#[error(source)] sysfs_gpio::Error),
[INFO] [stderr]    |                              ----------------- `Error` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Error` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = note: the derive macro `Error` may come from an old version of the `err_derive` crate, try updating your dependency with `cargo update -p err_derive`
[INFO] [stderr]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stderr]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stderr]    = note: this warning originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `metriful` (lib) generated 8 warnings (run `cargo fix --lib -p metriful` to apply 3 suggestions)
[INFO] [stderr] warning: `metriful` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metriful-655b863ad80ae4a6)
[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]    Doc-tests metriful
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Metriful::cycle_read_iter_timeout (line 724) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read_status (line 827) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read_iter_timeout (line 624) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read (line 591) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 39) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metriful::read_iter (line 680) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b1d7954c10b23173fd0a5e632345ee89e5f39a4f144b5041733db25b5ecb398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1d7954c10b23173fd0a5e632345ee89e5f39a4f144b5041733db25b5ecb398", kill_on_drop: false }`
[INFO] [stdout] 4b1d7954c10b23173fd0a5e632345ee89e5f39a4f144b5041733db25b5ecb398
