[INFO] fetching crate mergui 0.1.0-alpha0.7...
[INFO] checking mergui-0.1.0-alpha0.7 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate mergui 0.1.0-alpha0.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mergui 0.1.0-alpha0.7 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mergui 0.1.0-alpha0.7
[INFO] finished tweaking crates.io crate mergui 0.1.0-alpha0.7
[INFO] tweaked toml for crates.io crate mergui 0.1.0-alpha0.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mergui 0.1.0-alpha0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded golem v0.1.6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 612d27fdcf6b79ff3ba2638036b570fff816b7ff79de380d699361262da7fdcc
[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" "612d27fdcf6b79ff3ba2638036b570fff816b7ff79de380d699361262da7fdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "612d27fdcf6b79ff3ba2638036b570fff816b7ff79de380d699361262da7fdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612d27fdcf6b79ff3ba2638036b570fff816b7ff79de380d699361262da7fdcc", kill_on_drop: false }`
[INFO] [stdout] 612d27fdcf6b79ff3ba2638036b570fff816b7ff79de380d699361262da7fdcc
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8884bfc7eb164550ab2c2b76fddb5cb57616c30c3466d9bea94876367c0828
[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" "1c8884bfc7eb164550ab2c2b76fddb5cb57616c30c3466d9bea94876367c0828", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking elefont v0.1.3
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking golem v0.1.6
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking platter v0.1.4
[INFO] [stderr]     Checking blinds v0.1.6
[INFO] [stderr]     Checking quicksilver v0.4.0-alpha0.7
[INFO] [stderr]     Checking mergui v0.1.0-alpha0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "1c8884bfc7eb164550ab2c2b76fddb5cb57616c30c3466d9bea94876367c0828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8884bfc7eb164550ab2c2b76fddb5cb57616c30c3466d9bea94876367c0828", kill_on_drop: false }`
[INFO] [stdout] 1c8884bfc7eb164550ab2c2b76fddb5cb57616c30c3466d9bea94876367c0828