[INFO] fetching crate detect-desktop-environment 0.2.0...
[INFO] checking detect-desktop-environment-0.2.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate detect-desktop-environment 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate detect-desktop-environment 0.2.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate detect-desktop-environment 0.2.0
[INFO] finished tweaking crates.io crate detect-desktop-environment 0.2.0
[INFO] tweaked toml for crates.io crate detect-desktop-environment 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c6f6586de95575a6990e3cf07de94e8c71ce2345b3549acc6108f1275e2930d
[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" "2c6f6586de95575a6990e3cf07de94e8c71ce2345b3549acc6108f1275e2930d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6f6586de95575a6990e3cf07de94e8c71ce2345b3549acc6108f1275e2930d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6f6586de95575a6990e3cf07de94e8c71ce2345b3549acc6108f1275e2930d", kill_on_drop: false }`
[INFO] [stdout] 2c6f6586de95575a6990e3cf07de94e8c71ce2345b3549acc6108f1275e2930d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--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] cbda0e273a8439235e4a9f2e2dd682fd9c9fbbf793e30192c2263c1a6d5c3ad7
[INFO] running `Command { std: "docker" "start" "-a" "cbda0e273a8439235e4a9f2e2dd682fd9c9fbbf793e30192c2263c1a6d5c3ad7", kill_on_drop: false }`
[INFO] [stderr]     Checking detect-desktop-environment v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "cbda0e273a8439235e4a9f2e2dd682fd9c9fbbf793e30192c2263c1a6d5c3ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbda0e273a8439235e4a9f2e2dd682fd9c9fbbf793e30192c2263c1a6d5c3ad7", kill_on_drop: false }`
[INFO] [stdout] cbda0e273a8439235e4a9f2e2dd682fd9c9fbbf793e30192c2263c1a6d5c3ad7