[INFO] cloning repository https://github.com/gubbu/RustSimpleGTKQrCodeViewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gubbu/RustSimpleGTKQrCodeViewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgubbu%2FRustSimpleGTKQrCodeViewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgubbu%2FRustSimpleGTKQrCodeViewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21b56354bce28273a74a44f267e6d0e0fa679f11
[INFO] checking gubbu/RustSimpleGTKQrCodeViewer against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgubbu%2FRustSimpleGTKQrCodeViewer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gubbu/RustSimpleGTKQrCodeViewer 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 git repo https://github.com/gubbu/RustSimpleGTKQrCodeViewer
[INFO] finished tweaking git repo https://github.com/gubbu/RustSimpleGTKQrCodeViewer
[INFO] tweaked toml for git repo https://github.com/gubbu/RustSimpleGTKQrCodeViewer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gubbu/RustSimpleGTKQrCodeViewer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] db08d91ebc33042395034e95b82c8fe2d9321536504dc2c5a0bb5d3d0dd54aa1
[INFO] running `Command { std: "docker" "start" "-a" "db08d91ebc33042395034e95b82c8fe2d9321536504dc2c5a0bb5d3d0dd54aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db08d91ebc33042395034e95b82c8fe2d9321536504dc2c5a0bb5d3d0dd54aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db08d91ebc33042395034e95b82c8fe2d9321536504dc2c5a0bb5d3d0dd54aa1", kill_on_drop: false }`
[INFO] [stdout] db08d91ebc33042395034e95b82c8fe2d9321536504dc2c5a0bb5d3d0dd54aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c0979bebabf9a5c581b9266c387b91403ad40d01b3253336131b522df0102de
[INFO] running `Command { std: "docker" "start" "-a" "8c0979bebabf9a5c581b9266c387b91403ad40d01b3253336131b522df0102de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling gettext-sys v0.19.9
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking locale_config v0.2.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking gettext-rs v0.4.4
[INFO] [stderr]     Checking qrcode v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking qrcode_shower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "8c0979bebabf9a5c581b9266c387b91403ad40d01b3253336131b522df0102de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0979bebabf9a5c581b9266c387b91403ad40d01b3253336131b522df0102de", kill_on_drop: false }`
[INFO] [stdout] 8c0979bebabf9a5c581b9266c387b91403ad40d01b3253336131b522df0102de