[INFO] fetching crate rgb2yuv420 0.2.3...
[INFO] testing rgb2yuv420-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rgb2yuv420 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rgb2yuv420 0.2.3 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 rgb2yuv420 0.2.3
[INFO] finished tweaking crates.io crate rgb2yuv420 0.2.3
[INFO] tweaked toml for crates.io crate rgb2yuv420 0.2.3 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1381040bf7a007426f08adb34d2e27cb09fc3e89c4311f16c2091cc2833d4db5
[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" "1381040bf7a007426f08adb34d2e27cb09fc3e89c4311f16c2091cc2833d4db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1381040bf7a007426f08adb34d2e27cb09fc3e89c4311f16c2091cc2833d4db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1381040bf7a007426f08adb34d2e27cb09fc3e89c4311f16c2091cc2833d4db5", kill_on_drop: false }`
[INFO] [stdout] 1381040bf7a007426f08adb34d2e27cb09fc3e89c4311f16c2091cc2833d4db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27fb503830ee04a3917b6d847e9eb9dbe78e1b375320d4f56667498ac450daa0
[INFO] running `Command { std: "docker" "start" "-a" "27fb503830ee04a3917b6d847e9eb9dbe78e1b375320d4f56667498ac450daa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb2yuv420 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "27fb503830ee04a3917b6d847e9eb9dbe78e1b375320d4f56667498ac450daa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fb503830ee04a3917b6d847e9eb9dbe78e1b375320d4f56667498ac450daa0", kill_on_drop: false }`
[INFO] [stdout] 27fb503830ee04a3917b6d847e9eb9dbe78e1b375320d4f56667498ac450daa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a8c66dc22c898fbadd69030e2f839df19ab9fb9b5d98f30597880a4ffbbba1b
[INFO] running `Command { std: "docker" "start" "-a" "7a8c66dc22c898fbadd69030e2f839df19ab9fb9b5d98f30597880a4ffbbba1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rgb2yuv420 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "7a8c66dc22c898fbadd69030e2f839df19ab9fb9b5d98f30597880a4ffbbba1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8c66dc22c898fbadd69030e2f839df19ab9fb9b5d98f30597880a4ffbbba1b", kill_on_drop: false }`
[INFO] [stdout] 7a8c66dc22c898fbadd69030e2f839df19ab9fb9b5d98f30597880a4ffbbba1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] daf0bccd983ed0a1de4064d8128476886eb95781cd6dbc9d8e9db3536b63d101
[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" "daf0bccd983ed0a1de4064d8128476886eb95781cd6dbc9d8e9db3536b63d101", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgb2yuv420-baa62bd3161e1b67
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::rgb_to_yuv ... ok
[INFO] [stdout] test tests::rgba_to_yuv_from_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rgb2yuv420
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - convert_rgb_to_yuv420p (line 21) ... ok
[INFO] [stdout] test src/lib.rs - convert_rgb_to_yuv420sp_nv12 (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daf0bccd983ed0a1de4064d8128476886eb95781cd6dbc9d8e9db3536b63d101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf0bccd983ed0a1de4064d8128476886eb95781cd6dbc9d8e9db3536b63d101", kill_on_drop: false }`
[INFO] [stdout] daf0bccd983ed0a1de4064d8128476886eb95781cd6dbc9d8e9db3536b63d101