[INFO] fetching crate imagequant-sys 2.13.1...
[INFO] testing imagequant-sys-2.13.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate imagequant-sys 2.13.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imagequant-sys 2.13.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imagequant-sys 2.13.1
[INFO] finished tweaking crates.io crate imagequant-sys 2.13.1
[INFO] tweaked toml for crates.io crate imagequant-sys 2.13.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6df4456319d6240dbe50381571f6037061881226c6558ac01c32795a10fd366f
[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" "6df4456319d6240dbe50381571f6037061881226c6558ac01c32795a10fd366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df4456319d6240dbe50381571f6037061881226c6558ac01c32795a10fd366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df4456319d6240dbe50381571f6037061881226c6558ac01c32795a10fd366f", kill_on_drop: false }`
[INFO] [stdout] 6df4456319d6240dbe50381571f6037061881226c6558ac01c32795a10fd366f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc71250aea94a36620cee871abc65bb6f2415e5ec15bf745371836cb8751731f
[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" "fc71250aea94a36620cee871abc65bb6f2415e5ec15bf745371836cb8751731f", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagequant-sys v2.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "fc71250aea94a36620cee871abc65bb6f2415e5ec15bf745371836cb8751731f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc71250aea94a36620cee871abc65bb6f2415e5ec15bf745371836cb8751731f", kill_on_drop: false }`
[INFO] [stdout] fc71250aea94a36620cee871abc65bb6f2415e5ec15bf745371836cb8751731f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9245ca31efc89203ef84658b877ce05dcae0189fe7ccd46db1e450373e894ca0
[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" "9245ca31efc89203ef84658b877ce05dcae0189fe7ccd46db1e450373e894ca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling imagequant-sys v2.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "9245ca31efc89203ef84658b877ce05dcae0189fe7ccd46db1e450373e894ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9245ca31efc89203ef84658b877ce05dcae0189fe7ccd46db1e450373e894ca0", kill_on_drop: false }`
[INFO] [stdout] 9245ca31efc89203ef84658b877ce05dcae0189fe7ccd46db1e450373e894ca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19b9a9905483f0232f13af29b354ff5c34915a416fccd950717c100d6dd57028
[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" "19b9a9905483f0232f13af29b354ff5c34915a416fccd950717c100d6dd57028", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imagequant_sys-cc3ed4794ef8c52f
[INFO] [stdout] running 1 test
[INFO] [stdout] test links_and_runs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19b9a9905483f0232f13af29b354ff5c34915a416fccd950717c100d6dd57028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b9a9905483f0232f13af29b354ff5c34915a416fccd950717c100d6dd57028", kill_on_drop: false }`
[INFO] [stdout] 19b9a9905483f0232f13af29b354ff5c34915a416fccd950717c100d6dd57028