[INFO] fetching crate cat_engine 0.5.0-alpha...
[INFO] checking cat_engine-0.5.0-alpha against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate cat_engine 0.5.0-alpha into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cat_engine 0.5.0-alpha on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cat_engine 0.5.0-alpha
[INFO] finished tweaking crates.io crate cat_engine 0.5.0-alpha
[INFO] tweaked toml for crates.io crate cat_engine 0.5.0-alpha written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cat_engine 0.5.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2bfa6060b8cc0229c5511aa66b8dd36b2136453ee6cdf9b995313fb22c16f14
[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" "b2bfa6060b8cc0229c5511aa66b8dd36b2136453ee6cdf9b995313fb22c16f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2bfa6060b8cc0229c5511aa66b8dd36b2136453ee6cdf9b995313fb22c16f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bfa6060b8cc0229c5511aa66b8dd36b2136453ee6cdf9b995313fb22c16f14", kill_on_drop: false }`
[INFO] [stdout] b2bfa6060b8cc0229c5511aa66b8dd36b2136453ee6cdf9b995313fb22c16f14
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9010437082f14dc41fd44a330b77547c9b3bde6e94d49c46f42c76b46497c84b
[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" "9010437082f14dc41fd44a330b77547c9b3bde6e94d49c46f42c76b46497c84b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking weezl v0.1.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ttf-parser v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling wayland-sys v0.28.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling glium v0.28.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking line_drawing v0.8.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking andrew v0.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]    Compiling wayland-client v0.28.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]     Checking wayland-commons v0.28.1
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-cursor v0.28.1
[INFO] [stderr]     Checking wayland-egl v0.28.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.0
[INFO] [stderr]     Checking glutin v0.25.1
[INFO] [stderr]     Checking cat_engine v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "9010437082f14dc41fd44a330b77547c9b3bde6e94d49c46f42c76b46497c84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9010437082f14dc41fd44a330b77547c9b3bde6e94d49c46f42c76b46497c84b", kill_on_drop: false }`
[INFO] [stdout] 9010437082f14dc41fd44a330b77547c9b3bde6e94d49c46f42c76b46497c84b