[INFO] crate busylight 0.1.0 is already in cache
[INFO] testing busylight-0.1.0 against 1.44.0 for beta-1.45-1
[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 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb8202870f3248152ebabf2bf4e1c72e8f9926fbb46368d5b22c928e966e1e13
[INFO] running `"docker" "start" "-a" "fb8202870f3248152ebabf2bf4e1c72e8f9926fbb46368d5b22c928e966e1e13"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 35.93s
[INFO] running `"docker" "inspect" "fb8202870f3248152ebabf2bf4e1c72e8f9926fbb46368d5b22c928e966e1e13"`
[INFO] running `"docker" "rm" "-f" "fb8202870f3248152ebabf2bf4e1c72e8f9926fbb46368d5b22c928e966e1e13"`
[INFO] [stdout] fb8202870f3248152ebabf2bf4e1c72e8f9926fbb46368d5b22c928e966e1e13
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b3ada45ed449b5955598379ffd846844e7711912756235fe996b746a6e6ddc8
[INFO] running `"docker" "start" "-a" "2b3ada45ed449b5955598379ffd846844e7711912756235fe996b746a6e6ddc8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling busylight v0.1.0 (/opt/rustwide/workdir)
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `"docker" "inspect" "2b3ada45ed449b5955598379ffd846844e7711912756235fe996b746a6e6ddc8"`
[INFO] running `"docker" "rm" "-f" "2b3ada45ed449b5955598379ffd846844e7711912756235fe996b746a6e6ddc8"`
[INFO] [stdout] 2b3ada45ed449b5955598379ffd846844e7711912756235fe996b746a6e6ddc8
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e84b96e11b023314af3c3ee99a1f750995ac4a724514d12a8426a2a58ddf7e5
[INFO] running `"docker" "start" "-a" "3e84b96e11b023314af3c3ee99a1f750995ac4a724514d12a8426a2a58ddf7e5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/busylight-5b5826d5899ff089
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests busylight
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3e84b96e11b023314af3c3ee99a1f750995ac4a724514d12a8426a2a58ddf7e5"`
[INFO] running `"docker" "rm" "-f" "3e84b96e11b023314af3c3ee99a1f750995ac4a724514d12a8426a2a58ddf7e5"`
[INFO] [stdout] 3e84b96e11b023314af3c3ee99a1f750995ac4a724514d12a8426a2a58ddf7e5