[INFO] crate imagequant 2.12.5 is already in cache
[INFO] testing imagequant-2.12.5 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate imagequant 2.12.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate imagequant 2.12.5 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate imagequant 2.12.5
[INFO] finished tweaking crates.io crate imagequant 2.12.5
[INFO] tweaked toml for crates.io crate imagequant 2.12.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate imagequant 2.12.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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] 7e47dc87aa2147719f3f6b0c3d86e54596c9f6f56849eeb9fb431c86af350f26
[INFO] running `"docker" "start" "-a" "7e47dc87aa2147719f3f6b0c3d86e54596c9f6f56849eeb9fb431c86af350f26"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imagequant-sys v2.12.5
[INFO] [stderr]    Compiling imagequant v2.12.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `"docker" "inspect" "7e47dc87aa2147719f3f6b0c3d86e54596c9f6f56849eeb9fb431c86af350f26"`
[INFO] running `"docker" "rm" "-f" "7e47dc87aa2147719f3f6b0c3d86e54596c9f6f56849eeb9fb431c86af350f26"`
[INFO] [stdout] 7e47dc87aa2147719f3f6b0c3d86e54596c9f6f56849eeb9fb431c86af350f26
[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" "+beta-2020-06-03" "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] 77cfacf2328b35762f7b216f30879c691d7159668f16734f95bfb1adde8c1067
[INFO] running `"docker" "start" "-a" "77cfacf2328b35762f7b216f30879c691d7159668f16734f95bfb1adde8c1067"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling imagequant v2.12.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "77cfacf2328b35762f7b216f30879c691d7159668f16734f95bfb1adde8c1067"`
[INFO] running `"docker" "rm" "-f" "77cfacf2328b35762f7b216f30879c691d7159668f16734f95bfb1adde8c1067"`
[INFO] [stdout] 77cfacf2328b35762f7b216f30879c691d7159668f16734f95bfb1adde8c1067
[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" "+beta-2020-06-03" "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] 4c2fd3ce8e400af502f5a040e24037266defa7eea7c604caf096b8713f026f35
[INFO] running `"docker" "start" "-a" "4c2fd3ce8e400af502f5a040e24037266defa7eea7c604caf096b8713f026f35"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imagequant-bbe73231ad850b5a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test thread ... ok
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] test callback_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imagequant
[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" "4c2fd3ce8e400af502f5a040e24037266defa7eea7c604caf096b8713f026f35"`
[INFO] running `"docker" "rm" "-f" "4c2fd3ce8e400af502f5a040e24037266defa7eea7c604caf096b8713f026f35"`
[INFO] [stdout] 4c2fd3ce8e400af502f5a040e24037266defa7eea7c604caf096b8713f026f35