[INFO] cloning repository https://github.com/lenscas/mergui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lenscas/mergui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fmergui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fmergui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb7cfc01c603fb54c4f801988ae09b81a876d88f
[INFO] checking lenscas/mergui against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fmergui" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lenscas/mergui 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/lenscas/mergui
[INFO] finished tweaking git repo https://github.com/lenscas/mergui
[INFO] tweaked toml for git repo https://github.com/lenscas/mergui written to /workspace/builds/worker-1/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] 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 74ce6cc084a07368c2b824f2ef30095087a748091a1c17972b7049e1f7597884
[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" "74ce6cc084a07368c2b824f2ef30095087a748091a1c17972b7049e1f7597884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74ce6cc084a07368c2b824f2ef30095087a748091a1c17972b7049e1f7597884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ce6cc084a07368c2b824f2ef30095087a748091a1c17972b7049e1f7597884", kill_on_drop: false }`
[INFO] [stdout] 74ce6cc084a07368c2b824f2ef30095087a748091a1c17972b7049e1f7597884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7802e877d102c80566423b8066b550b417dc8b24faef0680f33fcbf665064341
[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" "7802e877d102c80566423b8066b550b417dc8b24faef0680f33fcbf665064341", kill_on_drop: false }`
[INFO] [stderr]     Checking mint v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[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]     Checking png v0.15.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking futures-util v0.3.8
[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-iter v0.1.42
[INFO] [stderr]     Checking elefont v0.1.3
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking platter v0.1.4
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking blinds v0.1.6
[INFO] [stderr]     Checking golem v0.1.7
[INFO] [stderr]     Checking quicksilver v0.4.0
[INFO] [stderr]     Checking mergui v0.1.0-alpha0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "7802e877d102c80566423b8066b550b417dc8b24faef0680f33fcbf665064341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7802e877d102c80566423b8066b550b417dc8b24faef0680f33fcbf665064341", kill_on_drop: false }`
[INFO] [stdout] 7802e877d102c80566423b8066b550b417dc8b24faef0680f33fcbf665064341