[INFO] cloning repository https://github.com/task-rs/task-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/task-rs/task-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75326664ab6e5c26bc56dfc1f9a8b848ec9e602d
[INFO] checking task-rs/task-rs against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftask-rs%2Ftask-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/task-rs/task-rs on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/task-rs/task-rs
[INFO] finished tweaking git repo https://github.com/task-rs/task-rs
[INFO] tweaked toml for git repo https://github.com/task-rs/task-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/task-rs/task-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98b1caf3096aab633e41066f23a0b2d9768923ecef2fea4f1774da8c8e580145
[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" "98b1caf3096aab633e41066f23a0b2d9768923ecef2fea4f1774da8c8e580145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b1caf3096aab633e41066f23a0b2d9768923ecef2fea4f1774da8c8e580145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b1caf3096aab633e41066f23a0b2d9768923ecef2fea4f1774da8c8e580145", kill_on_drop: false }`
[INFO] [stdout] 98b1caf3096aab633e41066f23a0b2d9768923ecef2fea4f1774da8c8e580145
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2e84f127953eb582618e3d95ad2e2cc5ff171cc9e89208f0d5b5070dba08cdd
[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" "e2e84f127953eb582618e3d95ad2e2cc5ff171cc9e89208f0d5b5070dba08cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]     Checking svg_fmt v0.2.1
[INFO] [stderr]     Checking pipe-trait v0.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.20.13
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking iced_style v0.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]     Checking gfx-backend-empty v0.4.0
[INFO] [stderr]     Checking rendy-memory v0.5.2
[INFO] [stderr]     Checking rendy-descriptor v0.5.1
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking guillotiere v0.4.4
[INFO] [stderr]     Checking clipboard_x11 v0.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.4.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking wgpu-native v0.4.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]     Checking smithay-clipboard v0.3.7
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking clipboard_wayland v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking window_clipboard v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking iced_futures v0.1.2
[INFO] [stderr]     Checking iced_native v0.2.2
[INFO] [stderr]     Checking wgpu v0.4.0
[INFO] [stderr]     Checking iced_winit v0.1.0
[INFO] [stderr]     Checking wgpu_glyph v0.7.0
[INFO] [stderr]     Checking iced_wgpu v0.2.3
[INFO] [stderr]     Checking iced v0.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking task-rs v0.0.0 (/opt/rustwide/workdir/crates/task-rs)
[INFO] [stderr]     Checking preview-tasks v0.0.0 (/opt/rustwide/workdir/preview/tasks)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "e2e84f127953eb582618e3d95ad2e2cc5ff171cc9e89208f0d5b5070dba08cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e84f127953eb582618e3d95ad2e2cc5ff171cc9e89208f0d5b5070dba08cdd", kill_on_drop: false }`
[INFO] [stdout] e2e84f127953eb582618e3d95ad2e2cc5ff171cc9e89208f0d5b5070dba08cdd