[INFO] crate imagequant 2.12.5 is already in cache
[INFO] testing imagequant-2.12.5 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate imagequant 2.12.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate imagequant 2.12.5 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate crates.io crate imagequant 2.12.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 4e2b0a4cb3d5a3a307fce61931f69572f60740ffd7c13acfd266ff94c6717091
[INFO] running `Command { std: "docker" "start" "-a" "4e2b0a4cb3d5a3a307fce61931f69572f60740ffd7c13acfd266ff94c6717091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2b0a4cb3d5a3a307fce61931f69572f60740ffd7c13acfd266ff94c6717091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2b0a4cb3d5a3a307fce61931f69572f60740ffd7c13acfd266ff94c6717091", kill_on_drop: false }`
[INFO] [stdout] 4e2b0a4cb3d5a3a307fce61931f69572f60740ffd7c13acfd266ff94c6717091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 983b6870ea610abdb116c3dd94e286063597d07a15737270bc38e1bc24269496
[INFO] running `Command { std: "docker" "start" "-a" "983b6870ea610abdb116c3dd94e286063597d07a15737270bc38e1bc24269496", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rgb v0.8.14
[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 7.51s
[INFO] running `Command { std: "docker" "inspect" "983b6870ea610abdb116c3dd94e286063597d07a15737270bc38e1bc24269496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983b6870ea610abdb116c3dd94e286063597d07a15737270bc38e1bc24269496", kill_on_drop: false }`
[INFO] [stdout] 983b6870ea610abdb116c3dd94e286063597d07a15737270bc38e1bc24269496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 464ff05de51dba5a9895cdb8d3139ac750ba3a2c919cdd4224864f9fa0a55382
[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" "464ff05de51dba5a9895cdb8d3139ac750ba3a2c919cdd4224864f9fa0a55382", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagequant v2.12.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "464ff05de51dba5a9895cdb8d3139ac750ba3a2c919cdd4224864f9fa0a55382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464ff05de51dba5a9895cdb8d3139ac750ba3a2c919cdd4224864f9fa0a55382", kill_on_drop: false }`
[INFO] [stdout] 464ff05de51dba5a9895cdb8d3139ac750ba3a2c919cdd4224864f9fa0a55382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2c45403fce9aa30bdfa988fb6103b0bdd1e8d94f4eea9dc7a1ea8c02f5ddf96
[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" "b2c45403fce9aa30bdfa988fb6103b0bdd1e8d94f4eea9dc7a1ea8c02f5ddf96", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imagequant-ff9b3af8e9505d86
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test takes_rgba ... ok
[INFO] [stdout] test poke_it ... ok
[INFO] [stdout] test set_importance_map ... ok
[INFO] [stdout] test callback_test ... ok
[INFO] [stdout] test histogram ... ok
[INFO] [stdout] test thread ... 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 `Command { std: "docker" "inspect" "b2c45403fce9aa30bdfa988fb6103b0bdd1e8d94f4eea9dc7a1ea8c02f5ddf96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c45403fce9aa30bdfa988fb6103b0bdd1e8d94f4eea9dc7a1ea8c02f5ddf96", kill_on_drop: false }`
[INFO] [stdout] b2c45403fce9aa30bdfa988fb6103b0bdd1e8d94f4eea9dc7a1ea8c02f5ddf96