[INFO] crate color_scaling 0.0.4 is already in cache
[INFO] testing color_scaling-0.0.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate color_scaling 0.0.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate color_scaling 0.0.4 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 color_scaling 0.0.4
[INFO] finished tweaking crates.io crate color_scaling 0.0.4
[INFO] tweaked toml for crates.io crate color_scaling 0.0.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 188cfe00d646b83e39cb717d3feb77bcf79c024a19fad893b4c7e9987aa0556f
[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" "188cfe00d646b83e39cb717d3feb77bcf79c024a19fad893b4c7e9987aa0556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188cfe00d646b83e39cb717d3feb77bcf79c024a19fad893b4c7e9987aa0556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188cfe00d646b83e39cb717d3feb77bcf79c024a19fad893b4c7e9987aa0556f", kill_on_drop: false }`
[INFO] [stdout] 188cfe00d646b83e39cb717d3feb77bcf79c024a19fad893b4c7e9987aa0556f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] d04ed394367f5a933ea5dd4ba5c0c6c5b89a7b7b620b747863d8ad67bb9b5100
[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" "d04ed394367f5a933ea5dd4ba5c0c6c5b89a7b7b620b747863d8ad67bb9b5100", kill_on_drop: false }`
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling color_scaling v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "d04ed394367f5a933ea5dd4ba5c0c6c5b89a7b7b620b747863d8ad67bb9b5100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04ed394367f5a933ea5dd4ba5c0c6c5b89a7b7b620b747863d8ad67bb9b5100", kill_on_drop: false }`
[INFO] [stdout] d04ed394367f5a933ea5dd4ba5c0c6c5b89a7b7b620b747863d8ad67bb9b5100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e7f2c38460ab91f77d347eab3b6f2f1fcdfdebfc94565f9afe1e817f0d7df6cd
[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" "e7f2c38460ab91f77d347eab3b6f2f1fcdfdebfc94565f9afe1e817f0d7df6cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling color_scaling v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "e7f2c38460ab91f77d347eab3b6f2f1fcdfdebfc94565f9afe1e817f0d7df6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f2c38460ab91f77d347eab3b6f2f1fcdfdebfc94565f9afe1e817f0d7df6cd", kill_on_drop: false }`
[INFO] [stdout] e7f2c38460ab91f77d347eab3b6f2f1fcdfdebfc94565f9afe1e817f0d7df6cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6a6300f915d77aa299be6f21cb9749ea0a9ae66c80416c8adf6735e37a14c9a4
[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" "6a6300f915d77aa299be6f21cb9749ea0a9ae66c80416c8adf6735e37a14c9a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/color_scaling-4a711386835bf792
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_scaling_rgb_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests color_scaling
[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" "6a6300f915d77aa299be6f21cb9749ea0a9ae66c80416c8adf6735e37a14c9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6300f915d77aa299be6f21cb9749ea0a9ae66c80416c8adf6735e37a14c9a4", kill_on_drop: false }`
[INFO] [stdout] 6a6300f915d77aa299be6f21cb9749ea0a9ae66c80416c8adf6735e37a14c9a4