[INFO] fetching crate everpuzzle 0.1.0...
[INFO] checking everpuzzle-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate everpuzzle 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate everpuzzle 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate everpuzzle 0.1.0
[INFO] finished tweaking crates.io crate everpuzzle 0.1.0
[INFO] tweaked toml for crates.io crate everpuzzle 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate everpuzzle 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dispatch v0.2.0
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[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded parking_lot v0.10.0
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[INFO] [stderr]   Downloaded andrew v0.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f766d73d9be0955f7005a7937e8ad4e3b322ee9d1bb83709ff4af28d335b11f1
[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" "f766d73d9be0955f7005a7937e8ad4e3b322ee9d1bb83709ff4af28d335b11f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f766d73d9be0955f7005a7937e8ad4e3b322ee9d1bb83709ff4af28d335b11f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f766d73d9be0955f7005a7937e8ad4e3b322ee9d1bb83709ff4af28d335b11f1", kill_on_drop: false }`
[INFO] [stdout] f766d73d9be0955f7005a7937e8ad4e3b322ee9d1bb83709ff4af28d335b11f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 6030c8b8610db5b022c8510d810a272d636cc06aa0b6db65cef567a87e306a92
[INFO] running `Command { std: "docker" "start" "-a" "6030c8b8610db5b022c8510d810a272d636cc06aa0b6db65cef567a87e306a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking pix v0.7.0
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking fixedstep v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling vek v0.9.11
[INFO] [stderr]     Checking png_pong v0.1.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.8
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking glyph_brush v0.6.2
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[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]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking gfx-backend-vulkan v0.4.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]     Checking wgpu-native v0.4.3
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking wgpu v0.4.0
[INFO] [stderr]     Checking wgpu_glyph v0.6.0
[INFO] [stderr]     Checking everpuzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/scripts/grid.rs:662:13
[INFO] [stdout]     |
[INFO] [stdout] 662 |         for i in 0..HANG_TIME {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/scripts/grid.rs:704:13
[INFO] [stdout]     |
[INFO] [stdout] 704 |         for i in 0..SWAP_TIME {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "6030c8b8610db5b022c8510d810a272d636cc06aa0b6db65cef567a87e306a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6030c8b8610db5b022c8510d810a272d636cc06aa0b6db65cef567a87e306a92", kill_on_drop: false }`
[INFO] [stdout] 6030c8b8610db5b022c8510d810a272d636cc06aa0b6db65cef567a87e306a92