[INFO] cloning repository https://github.com/othelarian/nikut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/othelarian/nikut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2Fnikut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2Fnikut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 613b83c7094c23b24263537c0e31469e61953ff3
[INFO] checking othelarian/nikut against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2Fnikut" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/othelarian/nikut on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/othelarian/nikut
[INFO] finished tweaking git repo https://github.com/othelarian/nikut
[INFO] tweaked toml for git repo https://github.com/othelarian/nikut written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/othelarian/nikut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c200724f0a7ac6300aa4ed1324db7bc8deb5b8ee8077e8b83531edf715ac51e
[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" "5c200724f0a7ac6300aa4ed1324db7bc8deb5b8ee8077e8b83531edf715ac51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c200724f0a7ac6300aa4ed1324db7bc8deb5b8ee8077e8b83531edf715ac51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c200724f0a7ac6300aa4ed1324db7bc8deb5b8ee8077e8b83531edf715ac51e", kill_on_drop: false }`
[INFO] [stdout] 5c200724f0a7ac6300aa4ed1324db7bc8deb5b8ee8077e8b83531edf715ac51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34955d844f100e0e04b610092618e4168257018680a9e4304d9adb8ec9111dab
[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" "34955d844f100e0e04b610092618e4168257018680a9e4304d9adb8ec9111dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[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 rusttype v0.8.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rusttype v0.7.9
[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]    Compiling luminance-derive v0.5.2
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking luminance v0.38.0
[INFO] [stderr]     Checking luminance v0.38.0 (https://github.com/othelarian/luminance-rs.git?branch=multiwin#c34d4726)
[INFO] [stderr]     Checking luminance-windowing v0.8.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]     Checking winit v0.20.0
[INFO] [stderr]     Checking glutin v0.22.0
[INFO] [stderr]     Checking nikut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "34955d844f100e0e04b610092618e4168257018680a9e4304d9adb8ec9111dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34955d844f100e0e04b610092618e4168257018680a9e4304d9adb8ec9111dab", kill_on_drop: false }`
[INFO] [stdout] 34955d844f100e0e04b610092618e4168257018680a9e4304d9adb8ec9111dab