[INFO] fetching crate luminance-front 0.2.3...
[INFO] testing luminance-front-0.2.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate luminance-front 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate luminance-front 0.2.3 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 luminance-front 0.2.3
[INFO] finished tweaking crates.io crate luminance-front 0.2.3
[INFO] tweaked toml for crates.io crate luminance-front 0.2.3 written to /workspace/builds/worker-7/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] 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" "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] 3a3b322d92d97ee5cf23c53ca63db7ba347b02a0bfb7a936e90eb8448a0a34fb
[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" "3a3b322d92d97ee5cf23c53ca63db7ba347b02a0bfb7a936e90eb8448a0a34fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3b322d92d97ee5cf23c53ca63db7ba347b02a0bfb7a936e90eb8448a0a34fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3b322d92d97ee5cf23c53ca63db7ba347b02a0bfb7a936e90eb8448a0a34fb", kill_on_drop: false }`
[INFO] [stdout] 3a3b322d92d97ee5cf23c53ca63db7ba347b02a0bfb7a936e90eb8448a0a34fb
[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" "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] 2c6297009f9d057afd2b0a3a38812e516af40e2ef5e448a0ab34adb5c874532e
[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" "2c6297009f9d057afd2b0a3a38812e516af40e2ef5e448a0ab34adb5c874532e", kill_on_drop: false }`
[INFO] [stderr]    Compiling luminance-gl v0.14.1
[INFO] [stderr]    Compiling luminance-front v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "2c6297009f9d057afd2b0a3a38812e516af40e2ef5e448a0ab34adb5c874532e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6297009f9d057afd2b0a3a38812e516af40e2ef5e448a0ab34adb5c874532e", kill_on_drop: false }`
[INFO] [stdout] 2c6297009f9d057afd2b0a3a38812e516af40e2ef5e448a0ab34adb5c874532e
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 957026d24610a4ed6faba302c06cb45bc608060c9b7cf1d2d2825229f1c55a03
[INFO] running `Command { std: "docker" "start" "-a" "957026d24610a4ed6faba302c06cb45bc608060c9b7cf1d2d2825229f1c55a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling luminance-front v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "957026d24610a4ed6faba302c06cb45bc608060c9b7cf1d2d2825229f1c55a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957026d24610a4ed6faba302c06cb45bc608060c9b7cf1d2d2825229f1c55a03", kill_on_drop: false }`
[INFO] [stdout] 957026d24610a4ed6faba302c06cb45bc608060c9b7cf1d2d2825229f1c55a03
[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" "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] 3e49f8e27f836b48f5187f1223b68b870cdb0c61e1372fe201339a274c5e3fad
[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" "3e49f8e27f836b48f5187f1223b68b870cdb0c61e1372fe201339a274c5e3fad", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/luminance_front-1f6a3076cf028f32
[INFO] [stderr]    Doc-tests luminance-front
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 27) ... ignored
[INFO] [stdout] test src/lib.rs - (line 43) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e49f8e27f836b48f5187f1223b68b870cdb0c61e1372fe201339a274c5e3fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e49f8e27f836b48f5187f1223b68b870cdb0c61e1372fe201339a274c5e3fad", kill_on_drop: false }`
[INFO] [stdout] 3e49f8e27f836b48f5187f1223b68b870cdb0c61e1372fe201339a274c5e3fad