[INFO] fetching crate busylight 0.1.0...
[INFO] building busylight-0.1.0 against master#ee1c3b385b6673b6ef37d80dfabe048e993c2ae2 for pr-102832-1
[INFO] extracting crate busylight 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate busylight 0.1.0 on toolchain ee1c3b385b6673b6ef37d80dfabe048e993c2ae2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate busylight 0.1.0
[INFO] finished tweaking crates.io crate busylight 0.1.0
[INFO] tweaked toml for crates.io crate busylight 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate busylight 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.56
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded color_processing v0.3.1
[INFO] [stderr]   Downloaded hidapi v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded winapi v0.3.7
[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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc27e7f8a15a63df1b1c1dca88281050aa162063e0e2c6aa331f05435ee36439
[INFO] running `Command { std: "docker" "start" "-a" "fc27e7f8a15a63df1b1c1dca88281050aa162063e0e2c6aa331f05435ee36439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc27e7f8a15a63df1b1c1dca88281050aa162063e0e2c6aa331f05435ee36439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc27e7f8a15a63df1b1c1dca88281050aa162063e0e2c6aa331f05435ee36439", kill_on_drop: false }`
[INFO] [stdout] fc27e7f8a15a63df1b1c1dca88281050aa162063e0e2c6aa331f05435ee36439
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1896e71fd04bec21f6b45c3a601d2bcfcee350a7a4cf1b57ac57711fdb5f20b5
[INFO] running `Command { std: "docker" "start" "-a" "1896e71fd04bec21f6b45c3a601d2bcfcee350a7a4cf1b57ac57711fdb5f20b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling hidapi v1.0.1
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling color_processing v0.3.1
[INFO] [stderr]    Compiling busylight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.15s
[INFO] running `Command { std: "docker" "inspect" "1896e71fd04bec21f6b45c3a601d2bcfcee350a7a4cf1b57ac57711fdb5f20b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1896e71fd04bec21f6b45c3a601d2bcfcee350a7a4cf1b57ac57711fdb5f20b5", kill_on_drop: false }`
[INFO] [stdout] 1896e71fd04bec21f6b45c3a601d2bcfcee350a7a4cf1b57ac57711fdb5f20b5
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90c2d67674db6a306eb2972cf55fb6d80d13654d36850982ee99f3ab5e2bc74
[INFO] running `Command { std: "docker" "start" "-a" "e90c2d67674db6a306eb2972cf55fb6d80d13654d36850982ee99f3ab5e2bc74", kill_on_drop: false }`
[INFO] [stderr]    Compiling busylight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Positions`
[INFO] [stdout]  --> examples/ring.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use busylight::{BusyLight, Tones, Positions};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "e90c2d67674db6a306eb2972cf55fb6d80d13654d36850982ee99f3ab5e2bc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90c2d67674db6a306eb2972cf55fb6d80d13654d36850982ee99f3ab5e2bc74", kill_on_drop: false }`
[INFO] [stdout] e90c2d67674db6a306eb2972cf55fb6d80d13654d36850982ee99f3ab5e2bc74