[INFO] fetching crate dom-ex-machina 0.0.1...
[INFO] checking dom-ex-machina-0.0.1 against beta for pr-78714
[INFO] extracting crate dom-ex-machina 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dom-ex-machina 0.0.1 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 dom-ex-machina 0.0.1
[INFO] finished tweaking crates.io crate dom-ex-machina 0.0.1
[INFO] tweaked toml for crates.io crate dom-ex-machina 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dom-ex-machina 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a6e90a4e5e2b22c2837ca7c025b42125adb73750b92c9fc4bf2b1e810923a88
[INFO] running `Command { std: "docker" "start" "-a" "9a6e90a4e5e2b22c2837ca7c025b42125adb73750b92c9fc4bf2b1e810923a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6e90a4e5e2b22c2837ca7c025b42125adb73750b92c9fc4bf2b1e810923a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6e90a4e5e2b22c2837ca7c025b42125adb73750b92c9fc4bf2b1e810923a88", kill_on_drop: false }`
[INFO] [stdout] 9a6e90a4e5e2b22c2837ca7c025b42125adb73750b92c9fc4bf2b1e810923a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c9c7db9c23c84a56e3dcdba6ba6c008c465f4ae6327075d850f8e267858ff4a7
[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" "c9c7db9c23c84a56e3dcdba6ba6c008c465f4ae6327075d850f8e267858ff4a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]    Compiling soup-sys v0.9.0
[INFO] [stderr]    Compiling webkit2gtk-sys v0.10.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.2.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking javascriptcore-rs v0.8.0
[INFO] [stderr]     Checking webkit2gtk v0.8.0
[INFO] [stderr]     Checking dom-ex-machina v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "c9c7db9c23c84a56e3dcdba6ba6c008c465f4ae6327075d850f8e267858ff4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c7db9c23c84a56e3dcdba6ba6c008c465f4ae6327075d850f8e267858ff4a7", kill_on_drop: false }`
[INFO] [stdout] c9c7db9c23c84a56e3dcdba6ba6c008c465f4ae6327075d850f8e267858ff4a7