[INFO] fetching crate busylight 0.1.0...
[INFO] testing busylight-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate busylight 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate busylight 0.1.0 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 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-101/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" "+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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded color_processing v0.3.1
[INFO] [stderr]   Downloaded hidapi v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 0df38db5b0b55f0d809016aa43c22c5be9ac725515225f09fc47ddbbf78643c1
[INFO] running `Command { std: "docker" "start" "-a" "0df38db5b0b55f0d809016aa43c22c5be9ac725515225f09fc47ddbbf78643c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df38db5b0b55f0d809016aa43c22c5be9ac725515225f09fc47ddbbf78643c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df38db5b0b55f0d809016aa43c22c5be9ac725515225f09fc47ddbbf78643c1", kill_on_drop: false }`
[INFO] [stdout] 0df38db5b0b55f0d809016aa43c22c5be9ac725515225f09fc47ddbbf78643c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 8868f09f9a118bdb948f8f9ced1c8cb6e42c6e2d51aaa04776dd7b7fdb8126f1
[INFO] running `Command { std: "docker" "start" "-a" "8868f09f9a118bdb948f8f9ced1c8cb6e42c6e2d51aaa04776dd7b7fdb8126f1", 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 pkg-config v0.3.15
[INFO] [stderr]    Compiling cc v1.0.40
[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 chrono v0.4.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling regex v1.2.1
[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 8.54s
[INFO] running `Command { std: "docker" "inspect" "8868f09f9a118bdb948f8f9ced1c8cb6e42c6e2d51aaa04776dd7b7fdb8126f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8868f09f9a118bdb948f8f9ced1c8cb6e42c6e2d51aaa04776dd7b7fdb8126f1", kill_on_drop: false }`
[INFO] [stdout] 8868f09f9a118bdb948f8f9ced1c8cb6e42c6e2d51aaa04776dd7b7fdb8126f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 25c31c3bb7b5af90f59ad1b07ea471b1df3174c90b5bb8e92ab27693c8f7451c
[INFO] running `Command { std: "docker" "start" "-a" "25c31c3bb7b5af90f59ad1b07ea471b1df3174c90b5bb8e92ab27693c8f7451c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 4.13s
[INFO] running `Command { std: "docker" "inspect" "25c31c3bb7b5af90f59ad1b07ea471b1df3174c90b5bb8e92ab27693c8f7451c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c31c3bb7b5af90f59ad1b07ea471b1df3174c90b5bb8e92ab27693c8f7451c", kill_on_drop: false }`
[INFO] [stdout] 25c31c3bb7b5af90f59ad1b07ea471b1df3174c90b5bb8e92ab27693c8f7451c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] dc3353bf74e7c9210591b1805043e6f693bf13b7078d03e26b05a71c74668bc0
[INFO] running `Command { std: "docker" "start" "-a" "dc3353bf74e7c9210591b1805043e6f693bf13b7078d03e26b05a71c74668bc0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Positions`
[INFO] [stderr]  --> examples/ring.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | use busylight::{BusyLight, Tones, Positions};
[INFO] [stderr]   |                                   ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `busylight` (example "ring") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/busylight-d231e02963f9196e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests busylight
[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] [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" "dc3353bf74e7c9210591b1805043e6f693bf13b7078d03e26b05a71c74668bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3353bf74e7c9210591b1805043e6f693bf13b7078d03e26b05a71c74668bc0", kill_on_drop: false }`
[INFO] [stdout] dc3353bf74e7c9210591b1805043e6f693bf13b7078d03e26b05a71c74668bc0