[INFO] fetching crate conrod_core 0.71.0...
[INFO] checking conrod_core-0.71.0 against beta for pr-78714
[INFO] extracting crate conrod_core 0.71.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate conrod_core 0.71.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conrod_core 0.71.0
[INFO] finished tweaking crates.io crate conrod_core 0.71.0
[INFO] tweaked toml for crates.io crate conrod_core 0.71.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb821305d45e35c8a83f29711939f48ab2c5b74c4f3fc93185d2a9bbdbd33584
[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" "bb821305d45e35c8a83f29711939f48ab2c5b74c4f3fc93185d2a9bbdbd33584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb821305d45e35c8a83f29711939f48ab2c5b74c4f3fc93185d2a9bbdbd33584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb821305d45e35c8a83f29711939f48ab2c5b74c4f3fc93185d2a9bbdbd33584", kill_on_drop: false }`
[INFO] [stdout] bb821305d45e35c8a83f29711939f48ab2c5b74c4f3fc93185d2a9bbdbd33584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c549c2f30a3534600cc9b4a00195a9044bb5c6bfe269286282af19f32fcb81d
[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" "8c549c2f30a3534600cc9b4a00195a9044bb5c6bfe269286282af19f32fcb81d", kill_on_drop: false }`
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling conrod_derive v0.71.0
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking conrod_core v0.71.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.74s
[INFO] running `Command { std: "docker" "inspect" "8c549c2f30a3534600cc9b4a00195a9044bb5c6bfe269286282af19f32fcb81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c549c2f30a3534600cc9b4a00195a9044bb5c6bfe269286282af19f32fcb81d", kill_on_drop: false }`
[INFO] [stdout] 8c549c2f30a3534600cc9b4a00195a9044bb5c6bfe269286282af19f32fcb81d