[INFO] cloning repository https://github.com/jchacks/accelmon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchacks/accelmon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchacks%2Faccelmon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchacks%2Faccelmon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9435417ea2553780cf840fccfe1bef91fb9526b3
[INFO] checking jchacks/accelmon/9435417ea2553780cf840fccfe1bef91fb9526b3 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-19
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchacks%2Faccelmon" "/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/jchacks/accelmon
[INFO] finished tweaking git repo https://github.com/jchacks/accelmon
[INFO] tweaked toml for git repo https://github.com/jchacks/accelmon written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jchacks/accelmon on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jchacks/accelmon 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v2.0.5
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aee2adf798cee0f7c2dae7fe85bd58cd8ed72367cf9628e0329f045ca4bf7bbd
[INFO] running `Command { std: "docker" "start" "-a" "aee2adf798cee0f7c2dae7fe85bd58cd8ed72367cf9628e0329f045ca4bf7bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aee2adf798cee0f7c2dae7fe85bd58cd8ed72367cf9628e0329f045ca4bf7bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee2adf798cee0f7c2dae7fe85bd58cd8ed72367cf9628e0329f045ca4bf7bbd", kill_on_drop: false }`
[INFO] [stdout] aee2adf798cee0f7c2dae7fe85bd58cd8ed72367cf9628e0329f045ca4bf7bbd
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed7d56559dc2a8d15e5b46a85f280d5d5e6a9b595128972f3fa1fe4697830d0
[INFO] running `Command { std: "docker" "start" "-a" "0ed7d56559dc2a8d15e5b46a85f280d5d5e6a9b595128972f3fa1fe4697830d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
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[INFO] [stdout] warning: unused import: `Nvml`
[INFO] [stdout]  --> src/backends/nvidia.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nvml_wrapper::{enums::device::SampleValue, Nvml};
[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: `nvml_wrapper::Nvml`
[INFO] [stdout]  --> src/backends/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nvml_wrapper::Nvml;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_memory_utilization` and `get_gpu_utilization` are never used
[INFO] [stdout]   --> src/backends/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Backend {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn get_memory_utilization(&self) -> Vec<f64>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     fn get_gpu_utilization(&self) -> Vec<f64>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/backends/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Device<'a> {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_memory_utilization` and `get_gpu_utilization` are never used
[INFO] [stdout]   --> src/backends/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> Device<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn get_memory_utilization(&self) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn get_gpu_utilization(&self) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `memory_samples` is never read
[INFO] [stdout]  --> src/backends/demo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Demo {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 3 |     memory_samples: Vec<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `memory_barchart` is never used
[INFO] [stdout]  --> src/widgets/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn memory_barchart(temperatures: &[u8]) -> BarChart {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bar` is never used
[INFO] [stdout]   --> src/widgets/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar(hour: usize, temperature: &u8) -> Bar {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/widgets/mod.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn memory_barchart(temperatures: &[u8]) -> BarChart {
[INFO] [stdout]   |                                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                                  |
[INFO] [stdout]   |                                  the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn memory_barchart(temperatures: &[u8]) -> BarChart<'_> {
[INFO] [stdout]   |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/widgets/mod.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar(hour: usize, temperature: &u8) -> Bar {
[INFO] [stdout]    |                                  ^^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar(hour: usize, temperature: &u8) -> Bar<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Nvml`
[INFO] [stdout]  --> src/backends/nvidia.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nvml_wrapper::{enums::device::SampleValue, Nvml};
[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: `nvml_wrapper::Nvml`
[INFO] [stdout]  --> src/backends/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nvml_wrapper::Nvml;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_memory_utilization` and `get_gpu_utilization` are never used
[INFO] [stdout]   --> src/backends/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Backend {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn get_memory_utilization(&self) -> Vec<f64>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     fn get_gpu_utilization(&self) -> Vec<f64>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/backends/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Device<'a> {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_memory_utilization` and `get_gpu_utilization` are never used
[INFO] [stdout]   --> src/backends/mod.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> Device<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn get_memory_utilization(&self) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn get_gpu_utilization(&self) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `memory_samples` is never read
[INFO] [stdout]  --> src/backends/demo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Demo {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 3 |     memory_samples: Vec<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `mean` are never used
[INFO] [stdout]   --> src/backends/ring_buffer.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<const N: usize, T: Numeric> RingBuffer<N, T> {
[INFO] [stdout]    | ------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get(&self, index: usize) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn mean(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `memory_barchart` is never used
[INFO] [stdout]  --> src/widgets/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn memory_barchart(temperatures: &[u8]) -> BarChart {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bar` is never used
[INFO] [stdout]   --> src/widgets/mod.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar(hour: usize, temperature: &u8) -> Bar {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/widgets/mod.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn memory_barchart(temperatures: &[u8]) -> BarChart {
[INFO] [stdout]   |                                  ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                                  |
[INFO] [stdout]   |                                  the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn memory_barchart(temperatures: &[u8]) -> BarChart<'_> {
[INFO] [stdout]   |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/widgets/mod.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar(hour: usize, temperature: &u8) -> Bar {
[INFO] [stdout]    |                                  ^^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar(hour: usize, temperature: &u8) -> Bar<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "0ed7d56559dc2a8d15e5b46a85f280d5d5e6a9b595128972f3fa1fe4697830d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed7d56559dc2a8d15e5b46a85f280d5d5e6a9b595128972f3fa1fe4697830d0", kill_on_drop: false }`
[INFO] [stdout] 0ed7d56559dc2a8d15e5b46a85f280d5d5e6a9b595128972f3fa1fe4697830d0