[INFO] cloning repository https://github.com/Fallstop/picoscope-rust-capture-rate-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fallstop/picoscope-rust-capture-rate-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallstop%2Fpicoscope-rust-capture-rate-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallstop%2Fpicoscope-rust-capture-rate-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49bab8b4845066fa0cf19a86d4db2dcbfdc38477
[INFO] checking Fallstop/picoscope-rust-capture-rate-test against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallstop%2Fpicoscope-rust-capture-rate-test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fallstop/picoscope-rust-capture-rate-test on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fallstop/picoscope-rust-capture-rate-test
[INFO] finished tweaking git repo https://github.com/Fallstop/picoscope-rust-capture-rate-test
[INFO] tweaked toml for git repo https://github.com/Fallstop/picoscope-rust-capture-rate-test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Fallstop/picoscope-rust-capture-rate-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3549afa6dd71c3ae66a355048ea4ff73f358d3e3438153b0deb7aee7b383461c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3549afa6dd71c3ae66a355048ea4ff73f358d3e3438153b0deb7aee7b383461c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3549afa6dd71c3ae66a355048ea4ff73f358d3e3438153b0deb7aee7b383461c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3549afa6dd71c3ae66a355048ea4ff73f358d3e3438153b0deb7aee7b383461c", kill_on_drop: false }`
[INFO] [stdout] 3549afa6dd71c3ae66a355048ea4ff73f358d3e3438153b0deb7aee7b383461c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca729a89673f22c9133def9ed4060cbad5194550992b871b6153e033fe83b0d1
[INFO] running `Command { std: "docker" "start" "-a" "ca729a89673f22c9133def9ed4060cbad5194550992b871b6153e033fe83b0d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pico-common v0.1.4
[INFO] [stderr]     Checking usb_enumeration v0.0.3
[INFO] [stderr]    Compiling log-derive v0.3.2
[INFO] [stderr]     Checking libffi v1.0.0
[INFO] [stderr]     Checking pico-driver v0.1.4
[INFO] [stderr]     Checking pico-device v0.1.4
[INFO] [stderr]     Checking pico-download v0.1.4
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[INFO] [stderr]     Checking pico-enumeration v0.1.4
[INFO] [stderr]     Checking pico-sdk v0.1.4
[INFO] [stderr]     Checking picoscope-rust-capture-rate-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `avg_time_diff`
[INFO] [stdout]   --> src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let avg_time_diff = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_time_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples`
[INFO] [stdout]    --> src/main.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let (_, samples, _, _) = data[0];
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rate_calc`
[INFO] [stdout]    --> src/main.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     rate_calc: &RateCalc,
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rate_calc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `avg_time_diff`
[INFO] [stdout]   --> src/main.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let avg_time_diff = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_avg_time_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `samples`
[INFO] [stdout]    --> src/main.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let (_, samples, _, _) = data[0];
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rate_calc`
[INFO] [stdout]    --> src/main.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     rate_calc: &RateCalc,
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rate_calc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_value`
[INFO] [stdout]   --> src/main.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn get_value(&self, latest: usize) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_value`
[INFO] [stdout]   --> src/main.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn get_value(&self, latest: usize) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "ca729a89673f22c9133def9ed4060cbad5194550992b871b6153e033fe83b0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca729a89673f22c9133def9ed4060cbad5194550992b871b6153e033fe83b0d1", kill_on_drop: false }`
[INFO] [stdout] ca729a89673f22c9133def9ed4060cbad5194550992b871b6153e033fe83b0d1