[INFO] fetching crate graphics_buffer 0.7.5...
[INFO] testing graphics_buffer-0.7.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate graphics_buffer 0.7.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate graphics_buffer 0.7.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphics_buffer 0.7.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate graphics_buffer 0.7.5
[INFO] tweaked toml for crates.io crate graphics_buffer 0.7.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate graphics_buffer 0.7.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3840d740a42062a222e4c5f6b6dbebdf58fc1befa777681d404a77442687dfc
[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" "b3840d740a42062a222e4c5f6b6dbebdf58fc1befa777681d404a77442687dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3840d740a42062a222e4c5f6b6dbebdf58fc1befa777681d404a77442687dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3840d740a42062a222e4c5f6b6dbebdf58fc1befa777681d404a77442687dfc", kill_on_drop: false }`
[INFO] [stdout] b3840d740a42062a222e4c5f6b6dbebdf58fc1befa777681d404a77442687dfc
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f170dbfc1ccbb5dbb68b73db1eefdb85de0334dba2d93320cf54ee964da15e5e
[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" "f170dbfc1ccbb5dbb68b73db1eefdb85de0334dba2d93320cf54ee964da15e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling weezl v0.1.0
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling piston2d-graphics v0.37.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling image v0.23.10
[INFO] [stderr]    Compiling graphics_buffer v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.78s
[INFO] running `Command { std: "docker" "inspect" "f170dbfc1ccbb5dbb68b73db1eefdb85de0334dba2d93320cf54ee964da15e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f170dbfc1ccbb5dbb68b73db1eefdb85de0334dba2d93320cf54ee964da15e5e", kill_on_drop: false }`
[INFO] [stdout] f170dbfc1ccbb5dbb68b73db1eefdb85de0334dba2d93320cf54ee964da15e5e
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bce6138a82b8b28197e8290aaff12a5d6cb329554970ebf5d4b518ba7a8b94a2
[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" "bce6138a82b8b28197e8290aaff12a5d6cb329554970ebf5d4b518ba7a8b94a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphics_buffer v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "bce6138a82b8b28197e8290aaff12a5d6cb329554970ebf5d4b518ba7a8b94a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce6138a82b8b28197e8290aaff12a5d6cb329554970ebf5d4b518ba7a8b94a2", kill_on_drop: false }`
[INFO] [stdout] bce6138a82b8b28197e8290aaff12a5d6cb329554970ebf5d4b518ba7a8b94a2
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b36ae1d955da80bb3fc500b7f705f86320c095447c3d0fcc4110f0cbcde25f5
[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" "4b36ae1d955da80bb3fc500b7f705f86320c095447c3d0fcc4110f0cbcde25f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graphics_buffer-d40460e4ca247f02
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests graphics_buffer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b36ae1d955da80bb3fc500b7f705f86320c095447c3d0fcc4110f0cbcde25f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b36ae1d955da80bb3fc500b7f705f86320c095447c3d0fcc4110f0cbcde25f5", kill_on_drop: false }`
[INFO] [stdout] 4b36ae1d955da80bb3fc500b7f705f86320c095447c3d0fcc4110f0cbcde25f5