[INFO] fetching crate task-rs 0.0.0...
[INFO] testing task-rs-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate task-rs 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate task-rs 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task-rs 0.0.0
[INFO] finished tweaking crates.io crate task-rs 0.0.0
[INFO] tweaked toml for crates.io crate task-rs 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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] 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6064a958824b58750c7c2d37c3da4dc7d5e3b9cbcd148e543ea09523e2473a59
[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" "6064a958824b58750c7c2d37c3da4dc7d5e3b9cbcd148e543ea09523e2473a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6064a958824b58750c7c2d37c3da4dc7d5e3b9cbcd148e543ea09523e2473a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6064a958824b58750c7c2d37c3da4dc7d5e3b9cbcd148e543ea09523e2473a59", kill_on_drop: false }`
[INFO] [stdout] 6064a958824b58750c7c2d37c3da4dc7d5e3b9cbcd148e543ea09523e2473a59
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5125a78bae4a43ca8378d2ee683f0c563db1a7216cc996bcd42d93f023306268
[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" "5125a78bae4a43ca8378d2ee683f0c563db1a7216cc996bcd42d93f023306268", kill_on_drop: false }`
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling iced_core v0.2.1
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling svg_fmt v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling ash v0.29.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling iced_style v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling serde_yaml v0.8.15
[INFO] [stderr]    Compiling wayland-commons v0.28.3
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling lyon_geom v0.14.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.3
[INFO] [stderr]    Compiling wayland-protocols v0.28.3
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.9
[INFO] [stderr]    Compiling euclid v0.19.9
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling lyon_path v0.14.0
[INFO] [stderr]    Compiling zerocopy v0.2.8
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling rendy-descriptor v0.5.1
[INFO] [stderr]    Compiling gfx-backend-empty v0.4.0
[INFO] [stderr]    Compiling rendy-memory v0.5.2
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling guillotiere v0.4.4
[INFO] [stderr]    Compiling font-kit v0.4.0
[INFO] [stderr]    Compiling glyph_brush v0.6.3
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling iced_futures v0.1.2
[INFO] [stderr]    Compiling iced_native v0.2.2
[INFO] [stderr]    Compiling wayland-cursor v0.28.3
[INFO] [stderr]    Compiling clipboard_x11 v0.1.0
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.4.3
[INFO] [stderr]    Compiling wgpu-native v0.4.3
[INFO] [stderr]    Compiling wgpu v0.4.0
[INFO] [stderr]    Compiling wgpu_glyph v0.7.0
[INFO] [stderr]    Compiling iced_wgpu v0.2.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling winit v0.22.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.2
[INFO] [stderr]    Compiling smithay-clipboard v0.6.2
[INFO] [stderr]    Compiling clipboard_wayland v0.1.2
[INFO] [stderr]    Compiling window_clipboard v0.1.3
[INFO] [stderr]    Compiling iced_winit v0.1.0
[INFO] [stderr]    Compiling iced v0.1.1
[INFO] [stderr]    Compiling task-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "5125a78bae4a43ca8378d2ee683f0c563db1a7216cc996bcd42d93f023306268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5125a78bae4a43ca8378d2ee683f0c563db1a7216cc996bcd42d93f023306268", kill_on_drop: false }`
[INFO] [stdout] 5125a78bae4a43ca8378d2ee683f0c563db1a7216cc996bcd42d93f023306268
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c7623a017c347630b047d18bc06a518c3fd27e12c65a1c1a028e0b84edf874
[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" "02c7623a017c347630b047d18bc06a518c3fd27e12c65a1c1a028e0b84edf874", kill_on_drop: false }`
[INFO] [stderr]    Compiling task-rs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "02c7623a017c347630b047d18bc06a518c3fd27e12c65a1c1a028e0b84edf874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c7623a017c347630b047d18bc06a518c3fd27e12c65a1c1a028e0b84edf874", kill_on_drop: false }`
[INFO] [stdout] 02c7623a017c347630b047d18bc06a518c3fd27e12c65a1c1a028e0b84edf874
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84ece26e1a53cce6de17c95fe51b34e36b7e061f8b711c1be1bdb7d13a9fa78b
[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" "84ece26e1a53cce6de17c95fe51b34e36b7e061f8b711c1be1bdb7d13a9fa78b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/task_rs-42a16020565e07a6
[INFO] [stdout] running 15 tests
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::git_push_pull_redundant_argument_structural ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::git_push_pull_redundant_argument_to_string ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::undefined_tag_to_string ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::undefined_tag_structural ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::empty_structural ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::git_push_pull_force_remote_branch ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::git_push_pull_missing_argument_to_string ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::git_push_pull_force_short_alias ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::empty_to_string ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::git_push_pull_remote_branch ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::git_push_pull_default ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::git_push_pull_remote_branch_force ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::no_sync ... ok
[INFO] [stderr]    Doc-tests task-rs
[INFO] [stdout] test desktop::config::sync::from_str::tests::success::git_push_pull_force ... ok
[INFO] [stdout] test desktop::config::sync::from_str::tests::failure::git_push_pull_missing_argument_structural ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84ece26e1a53cce6de17c95fe51b34e36b7e061f8b711c1be1bdb7d13a9fa78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ece26e1a53cce6de17c95fe51b34e36b7e061f8b711c1be1bdb7d13a9fa78b", kill_on_drop: false }`
[INFO] [stdout] 84ece26e1a53cce6de17c95fe51b34e36b7e061f8b711c1be1bdb7d13a9fa78b