[INFO] fetching crate graphics_buffer 0.7.5...
[INFO] testing graphics_buffer-0.7.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate graphics_buffer 0.7.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graphics_buffer 0.7.5 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 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-7/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 59c21418d3b51b4363df2dc115b48cbd6bdb4d42f2216d71dc38eba9e8355ffd
[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" "59c21418d3b51b4363df2dc115b48cbd6bdb4d42f2216d71dc38eba9e8355ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c21418d3b51b4363df2dc115b48cbd6bdb4d42f2216d71dc38eba9e8355ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c21418d3b51b4363df2dc115b48cbd6bdb4d42f2216d71dc38eba9e8355ffd", kill_on_drop: false }`
[INFO] [stdout] 59c21418d3b51b4363df2dc115b48cbd6bdb4d42f2216d71dc38eba9e8355ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b7e4ff584791d67e3d5f44ee34f337b0109a6c46879f55398c5f060939b59208
[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" "b7e4ff584791d67e3d5f44ee34f337b0109a6c46879f55398c5f060939b59208", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling tiff v0.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling num-rational v0.3.0
[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 44.64s
[INFO] running `Command { std: "docker" "inspect" "b7e4ff584791d67e3d5f44ee34f337b0109a6c46879f55398c5f060939b59208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e4ff584791d67e3d5f44ee34f337b0109a6c46879f55398c5f060939b59208", kill_on_drop: false }`
[INFO] [stdout] b7e4ff584791d67e3d5f44ee34f337b0109a6c46879f55398c5f060939b59208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 498a2cc6169f1da77ad01d58b80e8e11881dfa848df1cf27a4b45b5b65cf2466
[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" "498a2cc6169f1da77ad01d58b80e8e11881dfa848df1cf27a4b45b5b65cf2466", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphics_buffer v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "498a2cc6169f1da77ad01d58b80e8e11881dfa848df1cf27a4b45b5b65cf2466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498a2cc6169f1da77ad01d58b80e8e11881dfa848df1cf27a4b45b5b65cf2466", kill_on_drop: false }`
[INFO] [stdout] 498a2cc6169f1da77ad01d58b80e8e11881dfa848df1cf27a4b45b5b65cf2466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 720a3247f673371a30ec2c36f65f791bfc64a55b156bff1df45d8a8052950def
[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" "720a3247f673371a30ec2c36f65f791bfc64a55b156bff1df45d8a8052950def", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graphics_buffer-95d617e68e39b8ad
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graphics_buffer
[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] [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" "720a3247f673371a30ec2c36f65f791bfc64a55b156bff1df45d8a8052950def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720a3247f673371a30ec2c36f65f791bfc64a55b156bff1df45d8a8052950def", kill_on_drop: false }`
[INFO] [stdout] 720a3247f673371a30ec2c36f65f791bfc64a55b156bff1df45d8a8052950def